remove next-release.md

- save ACME private key to reuse previous registered ACME account
- properly renew certificate with `Certificate.RenewWithOptions` instead of re-obtaining with `Certificate.Obtain`

.env.example

@@ -2,21 +2,24 @@
 TZ=ETC/UTC
 
 # generate secret with `openssl rand -base64 32`
-GOPROXY_API_JWT_SECRET=
+GODOXY_API_JWT_SECRET=
 
 # the JWT token time-to-live
-GOPROXY_API_JWT_TOKEN_TTL=1h
+GODOXY_API_JWT_TOKEN_TTL=1h
 
 # API/WebUI login credentials
-GOPROXY_API_USER=admin
-GOPROXY_API_PASSWORD=password
+GODOXY_API_USER=admin
+GODOXY_API_PASSWORD=password
 
 # Proxy listening address
-GOPROXY_HTTP_ADDR=:80
-GOPROXY_HTTPS_ADDR=:443
+GODOXY_HTTP_ADDR=:80
+GODOXY_HTTPS_ADDR=:443
 
 # API listening address
-GOPROXY_API_ADDR=127.0.0.1:8888
+GODOXY_API_ADDR=127.0.0.1:8888
+
+# Prometheus Metrics listening address (uncomment to enable)
+#GODOXY_PROMETHEUS_ADDR=:8889
 
 # Debug mode
-GOPROXY_DEBUG=false
+GODOXY_DEBUG=false

.gitignore

@@ -7,6 +7,7 @@ config*/
 certs*/
 bin/
 error_pages/
+!examples/error_pages/
 
 logs/
 log/

.trunk/trunk.yaml

@@ -2,36 +2,37 @@
 # To learn more about the format of this file, see https://docs.trunk.io/reference/trunk-yaml
 version: 0.1
 cli:
-  version: 1.22.6
+  version: 1.22.8
 # Trunk provides extensibility via plugins. (https://docs.trunk.io/plugins)
 plugins:
   sources:
     - id: trunk
-      ref: v1.6.3
+      ref: v1.6.6
       uri: https://github.com/trunk-io/plugins
 # Many linters and tools depend on runtimes - configure them here. (https://docs.trunk.io/runtimes)
 runtimes:
   enabled:
-    - node@18.12.1
+    - node@18.20.5
     - python@3.10.8
     - go@1.23.2
 # This is the section where you manage your linters. (https://docs.trunk.io/check/configuration)
 lint:
+  disabled:
+    - markdownlint
+    - yamllint
   enabled:
-    - hadolint@2.12.0
-    - actionlint@1.7.3
-    - checkov@3.2.257
+    - hadolint@2.12.1-beta
+    - actionlint@1.7.5
+    - checkov@3.2.346
     - git-diff-check
     - gofmt@1.20.4
-    - golangci-lint@1.61.0
-    - markdownlint@0.42.0
-    - osv-scanner@1.9.0
-    - oxipng@9.1.2
-    - prettier@3.3.3
+    - golangci-lint@1.62.2
+    - osv-scanner@1.9.2
+    - oxipng@9.1.3
+    - prettier@3.4.2
     - shellcheck@0.10.0
     - shfmt@3.6.0
-    - trufflehog@3.82.7
-    - yamllint@1.35.1
+    - trufflehog@3.88.0
 actions:
   disabled:
     - trunk-announce

.vscode/settings.example.json

@@ -1,10 +1,10 @@
 {
   "yaml.schemas": {
-    "https://github.com/yusing/go-proxy/raw/main/schema/config.schema.json": [
+    "https://github.com/yusing/go-proxy/raw/v0.8/schema/config.schema.json": [
       "config.example.yml",
       "config.yml"
     ],
-    "https://github.com/yusing/go-proxy/raw/main/schema/providers.schema.json": [
+    "https://github.com/yusing/go-proxy/raw/v0.8/schema/providers.schema.json": [
       "providers.example.yml"
     ]
   }

Dockerfile

@@ -1,5 +1,9 @@
 # Stage 1: Builder
-FROM golang:1.23.2-alpine AS builder
+FROM golang:1.23.4-alpine AS builder
+HEALTHCHECK NONE
+
+# package version does not matter
+# trunk-ignore(hadolint/DL3018)
 RUN apk add --no-cache tzdata make
 
 WORKDIR /src
@@ -18,15 +22,15 @@ ENV VERSION=${VERSION}
 
 COPY scripts /src/scripts
 COPY Makefile /src/
+COPY cmd /src/cmd
+COPY internal /src/internal
+COPY pkg /src/pkg
 
 RUN --mount=type=cache,target="/go/pkg/mod" \
     --mount=type=cache,target="/root/.cache/go-build" \
-    --mount=type=bind,src=cmd,dst=/src/cmd \
-    --mount=type=bind,src=internal,dst=/src/internal \
-    --mount=type=bind,src=pkg,dst=/src/pkg \
     make build && \
     mkdir -p /app/error_pages /app/certs && \
-    mv bin/go-proxy /app/go-proxy
+    mv bin/godoxy /app/godoxy
 
 # Stage 2: Final image
 FROM scratch
@@ -40,14 +44,17 @@ COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
 # copy binary
 COPY --from=builder /app /app
 
-# copy schema directory
-COPY schema/ /app/schema/
+# copy example config
+COPY config.example.yml /app/config/config.yml
 
 # copy certs
 COPY --from=builder /etc/ssl/certs /etc/ssl/certs
 
+# copy schema
+COPY schema /app/schema
+
 ENV DOCKER_HOST=unix:///var/run/docker.sock
-ENV GOPROXY_DEBUG=0
+ENV GODOXY_DEBUG=0
 
 EXPOSE 80
 EXPOSE 8888
@@ -55,4 +62,4 @@ EXPOSE 443
 
 WORKDIR /app
 
-CMD ["/app/go-proxy"]
+CMD ["/app/godoxy"]

Makefile

@@ -1,5 +1,6 @@
 VERSION ?= $(shell git describe --tags --abbrev=0)
-BUILD_FLAGS ?= -s -w -X github.com/yusing/go-proxy/pkg.version=${VERSION}
+BUILD_FLAGS ?= -s -w
+BUILD_DATE ?= $(shell date -u +'%Y%m%d-%H%M')
 export VERSION
 export BUILD_FLAGS
 export CGO_ENABLED = 0
@@ -13,7 +14,7 @@ build:
 	scripts/build.sh
 
 test:
-	GOPROXY_TEST=1 go test ./internal/...
+	GODOXY_TEST=1 go test ./internal/...
 
 up:
 	docker compose up -d
@@ -28,31 +29,20 @@ get:
 	go get -u ./cmd && go mod tidy
 
 debug:
-	make build
-	sudo GOPROXY_DEBUG=1 bin/go-proxy
+	GODOXY_DEBUG=1 BUILD_FLAGS="" make run
 
 debug-trace:
-	make build
-	sudo GOPROXY_DEBUG=1 GOPROXY_TRACE=1 bin/go-proxy
+	GODOXY_TRACE=1 make debug
 
 profile:
-	GODEBUG=gctrace=1 make build
-	sudo GOPROXY_DEBUG=1 bin/go-proxy
+	GODEBUG=gctrace=1 make debug
+
+run: build
+	sudo setcap CAP_NET_BIND_SERVICE=+eip bin/godoxy
+	bin/godoxy
 
 mtrace:
-	bin/go-proxy debug-ls-mtrace > mtrace.json
-
-run:
-	make build && sudo bin/go-proxy
-
-archive:
-	git archive HEAD -o ../go-proxy-$$(date +"%Y%m%d%H%M").zip
-
-repush:
-	git reset --soft HEAD^
-	git add -A
-	git commit -m "repush"
-	git push gitlab dev --force
+	bin/godoxy debug-ls-mtrace > mtrace.json
 
 rapid-crash:
 	sudo docker run --restart=always --name test_crash -p 80 debian:bookworm-slim /bin/cat &&\
@@ -67,4 +57,17 @@ ci-test:
 	act -n --artifact-server-path /tmp/artifacts -s GITHUB_TOKEN="$$(gh auth token)"
 
 cloc:
-	cloc --not-match-f '_test.go$$' cmd internal pkg
+	cloc --not-match-f '_test.go$$' cmd internal pkg
+
+push-docker-io:
+	BUILDER=build docker buildx build \
+		--platform linux/arm64,linux/amd64 \
+		-f Dockerfile \
+		-t docker.io/yusing/godoxy-nightly \
+		-t docker.io/yusing/godoxy-nightly:${VERSION}-${BUILD_DATE} \
+		--build-arg VERSION="${VERSION}-nightly-${BUILD_DATE}" \
+		--push .
+
+build-docker:
+	docker build -t godoxy-nightly \
+		--build-arg VERSION="${VERSION}-nightly-${BUILD_DATE}" .

README.md

@@ -1,4 +1,4 @@
-# go-proxy
+# GoDoxy
 
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
 [![Lines of Code](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=ncloc)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
@@ -19,11 +19,14 @@ _Join our [Discord](https://discord.gg/umReR62nRd) for help and discussions_
 
 <!-- TOC -->
 
-- [go-proxy](#go-proxy)
+- [GoDoxy](#godoxy)
   - [Table of content](#table-of-content)
   - [Key Features](#key-features)
   - [Getting Started](#getting-started)
+    - [Prerequisites](#prerequisites)
     - [Setup](#setup)
+    - [Manual Setup](#manual-setup)
+    - [Folder structrue](#folder-structrue)
     - [Use JSON Schema in VSCode](#use-json-schema-in-vscode)
   - [Screenshots](#screenshots)
     - [idlesleeper](#idlesleeper)
@@ -31,58 +34,104 @@ _Join our [Discord](https://discord.gg/umReR62nRd) for help and discussions_
 
 ## Key Features
 
--   Easy to use
-    -   Effortless configuration
-    -   Simple multi-node setup
-    -   Error messages is clear and detailed, easy troubleshooting
--   Auto SSL cert management (See [Supported DNS-01 Challenge Providers](https://github.com/yusing/go-proxy/wiki/Supported-DNS%E2%80%9001-Providers)) 
--   Auto configuration for docker containers
--   Auto hot-reload on container state / config file changes
--   **idlesleeper**: stop containers on idle, wake it up on traffic _(optional, see [screenshots](#idlesleeper))_
--   HTTP(s) reserve proxy
--   [HTTP middleware support](https://github.com/yusing/go-proxy/wiki/Middlewares)
--   [Custom error pages support](https://github.com/yusing/go-proxy/wiki/Middlewares#custom-error-pages)
--   TCP and UDP port forwarding
--   **Web UI with App dashboard**
--   Supports linux/amd64, linux/arm64
--   Written in **[Go](https://go.dev)**
+- Easy to use
+  - Effortless configuration
+  - Simple multi-node setup
+  - Error messages is clear and detailed, easy troubleshooting
+- Auto SSL cert management (See [Supported DNS-01 Challenge Providers](https://github.com/yusing/go-proxy/wiki/Supported-DNS%E2%80%9001-Providers))
+- Auto configuration for docker containers
+- Auto hot-reload on container state / config file changes
+- **idlesleeper**: stop containers on idle, wake it up on traffic _(optional, see [screenshots](#idlesleeper))_
+- HTTP(s) reserve proxy
+- [HTTP middleware support](https://github.com/yusing/go-proxy/wiki/Middlewares)
+- [Custom error pages support](https://github.com/yusing/go-proxy/wiki/Middlewares#custom-error-pages)
+- TCP and UDP port forwarding
+- **Web UI with App dashboard and config editor**
+- Supports linux/amd64, linux/arm64
+- Written in **[Go](https://go.dev)**
 
 [🔼Back to top](#table-of-content)
 
 ## Getting Started
 
+For full documentation, **[See Wiki](https://github.com/yusing/go-proxy/wiki)**
+
+### Prerequisites
+
+Setup DNS Records point to machine which runs `GoDoxy`, e.g.
+
+- A Record: `*.y.z` -> `10.0.10.1`
+- AAAA Record: `*.y.z` -> `::ffff:a00:a01`
+
 ### Setup
 
-1.  Pull docker image 
-    
+1.  Pull the latest docker images
+
     ```shell
     docker pull ghcr.io/yusing/go-proxy:latest
     ```
 
-2.  Create new directory, `cd` into it, then run setup
+2.  Create new directory, `cd` into it, then run setup, or [set up manually](#manual-setup)
 
     ```shell
-    docker run --rm -v .:/setup ghcr.io/yusing/go-proxy /app/go-proxy setup
+    docker run --rm -v .:/setup ghcr.io/yusing/go-proxy /app/godoxy setup
     ```
 
-3.  Setup DNS Records point to machine which runs `go-proxy`, e.g.
+3.  _(Optional)_ setup WebUI login
 
-    -   A Record: `*.y.z` -> `10.0.10.1`
-    -   AAAA Record: `*.y.z` -> `::ffff:a00:a01`
+    - set random JWT secret
 
-4.  Setup `docker-socket-proxy` other docker nodes _(if any)_ (see [Multi docker nodes setup](https://github.com/yusing/go-proxy/wiki/Configurations#multi-docker-nodes-setup)) and then them inside `config.yml`
+      ```shell
+      sed -i "s|API_JWT_SECRET=.*|API_JWT_SECRET=$(openssl rand -base64 32)|g" .env
+      ```
 
-5.  Run go-proxy `docker compose up -d` 
-    then list all routes to see if further configurations are needed:
-    `docker exec go-proxy /app/go-proxy ls-routes`
+    - change username and password for WebUI authentication
+      ```shell
+      sed -i "s|API_USERNAME=.*|API_USERNAME=admin|g" .env
+      sed -i "s|API_PASSWORD=.*|API_PASSWORD=some-strong-password|g" .env
+      ```
+
+4.  _(Optional)_ setup `docker-socket-proxy` other docker nodes (see [Multi docker nodes setup](https://github.com/yusing/go-proxy/wiki/Configurations#multi-docker-nodes-setup)) then add them inside `config.yml`
+
+5.  Start the container `docker compose up -d`
 
 6.  You may now do some extra configuration
-    -   With text editor (e.g. Visual Studio Code)
-    -   With Web UI via `http://localhost:3000` or `https://gp.y.z`
-    -   For more info, [See Wiki]([wiki](https://github.com/yusing/go-proxy/wiki))
+    - With text editor (e.g. Visual Studio Code)
+    - With Web UI via `https://gp.y.z`
 
 [🔼Back to top](#table-of-content)
 
+### Manual Setup
+
+1. Make `config` directory then grab `config.example.yml` into `config/config.yml`
+
+   `mkdir -p config && wget https://raw.githubusercontent.com/yusing/go-proxy/v0.8/config.example.yml -O config/config.yml`
+
+2. Grab `.env.example` into `.env`
+
+   `wget https://raw.githubusercontent.com/yusing/go-proxy/v0.8/.env.example -O .env`
+
+3. Grab `compose.example.yml` into `compose.yml`
+
+   `wget https://raw.githubusercontent.com/yusing/go-proxy/v0.8/compose.example.yml -O compose.yml`
+
+### Folder structrue
+
+```shell
+├── certs
+│   ├── cert.crt
+│   └── priv.key
+├── compose.yml
+├── config
+│   ├── config.yml
+│   ├── middlewares
+│   │   ├── middleware1.yml
+│   │   ├── middleware2.yml
+│   ├── provider1.yml
+│   └── provider2.yml
+└── .env
+```
+
 ### Use JSON Schema in VSCode
 
 Copy [`.vscode/settings.example.json`](.vscode/settings.example.json) to `.vscode/settings.json` and modify it to fit your needs
@@ -95,7 +144,6 @@ Copy [`.vscode/settings.example.json`](.vscode/settings.example.json) to `.vscod
 
 ![idlesleeper](screenshots/idlesleeper.webp)
 
-
 [🔼Back to top](#table-of-content)
 
 ## Build it yourself

README_CHT.md

@@ -1,4 +1,4 @@
-# go-proxy
+# GoDoxy
 
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
 [![Lines of Code](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=ncloc)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
@@ -7,124 +7,155 @@
 [![Vulnerabilities](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=vulnerabilities)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
 [![](https://dcbadge.limes.pink/api/server/umReR62nRd)](https://discord.gg/umReR62nRd)
 
-一個輕量化、易用且[高效]([docs/benchmark_result.md](https://github.com/yusing/go-proxy/wiki/Benchmarks)))的反向代理和端口轉發工具
+[English Documentation](README.md)
+
+一個輕量級、易於使用且[高效能](https://github.com/yusing/go-proxy/wiki/Benchmarks)的反向代理，具有網頁介面和儀表板。
+
+![截圖](screenshots/webui.png)
+
+_加入我們的 [Discord](https://discord.gg/umReR62nRd) 獲取幫助和討論_
 
 ## 目錄
 
 <!-- TOC -->
 
-- [go-proxy](#go-proxy)
+- [GoDoxy](#godoxy)
   - [目錄](#目錄)
-  - [重點](#重點)
+  - [主要特點](#主要特點)
   - [入門指南](#入門指南)
+    - [前置需求](#前置需求)
     - [安裝](#安裝)
-    - [命令行參數](#命令行參數)
-    - [環境變量](#環境變量)
-    - [VSCode 中使用 JSON Schema](#vscode-中使用-json-schema)
-  - [展示](#展示)
-    - [idlesleeper](#idlesleeper)
-  - [源碼編譯](#源碼編譯)
+    - [手動安裝](#手動安裝)
+    - [資料夾結構](#資料夾結構)
+    - [在 VSCode 中使用 JSON Schema](#在-vscode-中使用-json-schema)
+  - [截圖](#截圖)
+    - [閒置休眠](#閒置休眠)
+  - [自行編譯](#自行編譯)
 
-## 重點
+## 主要特點
 
--   易用
-    -   不需花費太多時間就能輕鬆配置
-    -   支持多個docker節點
-    -   除錯簡單
--   自動配置 SSL 證書（參見[可用的 DNS 供應商](https://github.com/yusing/go-proxy/wiki/Supported-DNS%E2%80%9001-Providers)）
--   透過 Docker 容器自動配置
--   容器狀態變更時自動熱重載
--   **idlesleeper** 容器閒置時自動暫停/停止，入站時自動喚醒 (可選, 參見 [展示](#idlesleeper))
--   HTTP(s) 反向代理
--   [HTTP middleware](https://github.com/yusing/go-proxy/wiki/Middlewares)
--   [自訂 error pages](https://github.com/yusing/go-proxy/wiki/Middlewares#custom-error-pages)
--   TCP/UDP 端口轉發
--   Web 面板 (內置App dashboard)
--   支持 linux/amd64、linux/arm64 平台
--   使用 **[Go](https://go.dev)** 編寫
+- 容易使用
+  - 輕鬆配置
+  - 簡單的多節點設置
+  - 錯誤訊息清晰詳細，易於排除故障
+- 自動 SSL 憑證管理（參見 [支援的 DNS-01 驗證提供商](https://github.com/yusing/go-proxy/wiki/Supported-DNS%E2%80%9001-Providers)）
+- 自動配置 Docker 容器
+- 容器狀態/配置文件變更時自動熱重載
+- **閒置休眠**：在閒置時停止容器，有流量時喚醒（_可選，參見[截圖](#閒置休眠)_）
+- HTTP(s) 反向代理
+- [HTTP 中介軟體支援](https://github.com/yusing/go-proxy/wiki/Middlewares)
+- [自訂錯誤頁面支援](https://github.com/yusing/go-proxy/wiki/Middlewares#custom-error-pages)
+- TCP 和 UDP 埠轉發
+- **網頁介面，具有應用儀表板和配置編輯器**
+- 支援 linux/amd64、linux/arm64
+- 使用 **[Go](https://go.dev)** 編寫
 
-[🔼 返回頂部](#目錄)
+[🔼回到頂部](#目錄)
 
 ## 入門指南
 
+完整文檔請參見 **[Wiki](https://github.com/yusing/go-proxy/wiki)**
+
+### 前置需求
+
+設置 DNS 記錄指向運行 `GoDoxy` 的機器，例如：
+
+- A 記錄：`*.y.z` -> `10.0.10.1`
+- AAAA 記錄：`*.y.z` -> `::ffff:a00:a01`
+
 ### 安裝
 
-1. 抓取Docker鏡像
+1.  拉取最新的 Docker 映像
 
     ```shell
     docker pull ghcr.io/yusing/go-proxy:latest
     ```
 
-2. 建立新的目錄，並切換到該目錄，並執行
-   
-   ```shell
-    docker run --rm -v .:/setup ghcr.io/yusing/go-proxy /app/go-proxy setup
+2.  建立新目錄，`cd` 進入後運行安裝，或[手動安裝](#手動安裝)
+
+    ```shell
+    docker run --rm -v .:/setup ghcr.io/yusing/go-proxy /app/godoxy setup
     ```
 
-3. 設置 DNS 記錄，例如：
+3.  _（可選）_ 設置網頁介面登入
 
-    - A 記錄: `*.y.z` -> `10.0.10.1`
-    - AAAA 記錄: `*.y.z` -> `::ffff:a00:a01`
+    - 設置隨機 JWT 密鑰
 
-4. 配置 `docker-socket-proxy` 其他 Docker 節點（如有） (參見 [範例](docs/docker_socket_proxy.md)) 然後加到 `config.yml` 中
+      ```shell
+      sed -i "s|API_JWT_SECRET=.*|API_JWT_SECRET=$(openssl rand -base64 32)|g" .env
+      ```
 
-5. 大功告成，你可以做一些額外的配置
-    - 使用文本編輯器 (推薦 Visual Studio Code [參見 VSCode 使用 schema](#vscode-中使用-json-schema))
-    - 或通過 `http://localhost:3000` 使用網頁配置編輯器
-    - 詳情請參閱 [docker.md](docs/docker.md)
+    - 更改網頁介面認證的使用者名稱和密碼
+      ```shell
+      sed -i "s|API_USERNAME=.*|API_USERNAME=admin|g" .env
+      sed -i "s|API_PASSWORD=.*|API_PASSWORD=some-strong-password|g" .env
+      ```
 
-[🔼 返回頂部](#目錄)
+4.  _（可選）_ 設置其他 Docker 節點的 `docker-socket-proxy`（參見 [多 Docker 節點設置](https://github.com/yusing/go-proxy/wiki/Configurations#multi-docker-nodes-setup)），然後在 `config.yml` 中添加它們
 
-### 命令行參數
+5.  啟動容器 `docker compose up -d`
 
-| 參數                      | 描述                                                                                  | 示例                                |
-| ------------------------- | ------------------------------------------------------------------------------------- | ----------------------------------- |
-| 空                        | 啟動代理服務器                                                                        |                                     |
-| `validate`                | 驗證配置並退出                                                                        |                                     |
-| `reload`                  | 強制刷新配置                                                                          |                                     |
-| `ls-config`               | 列出配置並退出                                                                        | `go-proxy ls-config \| jq`          |
-| `ls-route`                | 列出路由並退出                                                                        | `go-proxy ls-route \| jq`           |
-| `go-proxy ls-route \| jq` |
-| `ls-icons`                | 列出 [dashboard-icons](https://github.com/walkxcode/dashboard-icons/tree/main) 並退出 | `go-proxy ls-icons \| grep adguard` |
-| `debug-ls-mtrace`         | 列出middleware追蹤 **(僅限於 debug 模式)**                                            | `go-proxy debug-ls-mtrace \| jq`    |
+6.  現在您可以進行額外的配置
+    - 使用文字編輯器（如 Visual Studio Code）
+    - 通過網頁介面 `https://gp.y.z`
 
-**使用 `docker exec go-proxy /app/go-proxy <參數>` 運行**
+[🔼回到頂部](#目錄)
 
-### 環境變量
+### 手動安裝
 
-| 環境變量                       | 描述             | 默認             | 格式          |
-| ------------------------------ | ---------------- | ---------------- | ------------- |
-| `GOPROXY_NO_SCHEMA_VALIDATION` | 禁用 schema 驗證 | `false`          | boolean       |
-| `GOPROXY_DEBUG`                | 啟用調試輸出     | `false`          | boolean       |
-| `GOPROXY_HTTP_ADDR`            | http 收聽地址    | `:80`            | `[host]:port` |
-| `GOPROXY_HTTPS_ADDR`           | https 收聽地址   | `:443`           | `[host]:port` |
-| `GOPROXY_API_ADDR`             | api 收聽地址     | `127.0.0.1:8888` | `[host]:port` |
+1. 建立 `config` 目錄，然後將 `config.example.yml` 下載到 `config/config.yml`
 
-### VSCode 中使用 JSON Schema
+   `mkdir -p config && wget https://raw.githubusercontent.com/yusing/go-proxy/v0.8/config.example.yml -O config/config.yml`
 
-複製 [`.vscode/settings.example.json`](.vscode/settings.example.json) 到 `.vscode/settings.json` 並根據需求修改
+2. 將 `.env.example` 下載到 `.env`
 
-[🔼 返回頂部](#目錄)
+   `wget https://raw.githubusercontent.com/yusing/go-proxy/v0.8/.env.example -O .env`
 
+3. 將 `compose.example.yml` 下載到 `compose.yml`
 
-## 展示
+   `wget https://raw.githubusercontent.com/yusing/go-proxy/v0.8/compose.example.yml -O compose.yml`
 
-### idlesleeper
+### 資料夾結構
 
-![idlesleeper](screenshots/idlesleeper.webp)
+```shell
+├── certs
+│   ├── cert.crt
+│   └── priv.key
+├── compose.yml
+├── config
+│   ├── config.yml
+│   ├── middlewares
+│   │   ├── middleware1.yml
+│   │   ├── middleware2.yml
+│   ├── provider1.yml
+│   └── provider2.yml
+└── .env
+```
 
-[🔼 返回頂部](#目錄)
+### 在 VSCode 中使用 JSON Schema
 
-## 源碼編譯
+複製 [`.vscode/settings.example.json`](.vscode/settings.example.json) 到 `.vscode/settings.json` 並根據需要修改
 
-1. 獲取源碼 `git clone https://github.com/yusing/go-proxy --depth=1`
+[🔼回到頂部](#目錄)
 
-2. 安裝/升級 [go 版本 (>=1.22)](https://go.dev/doc/install) 和 `make`（如果尚未安裝）
+## 截圖
 
-3. 如果之前編譯過（go 版本 < 1.22），請使用 `go clean -cache` 清除緩存
+### 閒置休眠
 
-4. 使用 `make get` 獲取依賴項
+![閒置休眠](screenshots/idlesleeper.webp)
 
-5. 使用 `make build` 編譯
+[🔼回到頂部](#目錄)
 
-[🔼 返回頂部](#目錄)
+## 自行編譯
+
+1. 克隆儲存庫 `git clone https://github.com/yusing/go-proxy --depth=1`
+
+2. 如果尚未安裝，請安裝/升級 [go (>=1.22)](https://go.dev/doc/install) 和 `make`
+
+3. 如果之前編譯過（go < 1.22），請使用 `go clean -cache` 清除快取
+
+4. 使用 `make get` 獲取依賴
+
+5. 使用 `make build` 編譯二進制檔案
+
+[🔼回到頂部](#目錄)

cmd/main.go

@@ -14,11 +14,12 @@ import (
 	"github.com/yusing/go-proxy/internal/api/v1/query"
 	"github.com/yusing/go-proxy/internal/common"
 	"github.com/yusing/go-proxy/internal/config"
+	"github.com/yusing/go-proxy/internal/entrypoint"
 	E "github.com/yusing/go-proxy/internal/error"
 	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/internal/metrics"
 	"github.com/yusing/go-proxy/internal/net/http/middleware"
-	R "github.com/yusing/go-proxy/internal/route"
-	"github.com/yusing/go-proxy/internal/server"
+	"github.com/yusing/go-proxy/internal/net/http/server"
 	"github.com/yusing/go-proxy/internal/task"
 	"github.com/yusing/go-proxy/pkg"
 )
@@ -48,11 +49,10 @@ func main() {
 		if err != nil {
 			log.Printf("failed to connect to api server: %s", err)
 			log.Printf("falling back to config file")
-			printJSON(config.RoutesByAlias())
 		} else {
 			printJSON(routes)
+			return
 		}
-		return
 	case common.CommandDebugListMTrace:
 		trace, err := query.ListMiddlewareTraces()
 		if err != nil {
@@ -63,7 +63,7 @@ func main() {
 	}
 
 	if args.Command == common.CommandStart {
-		logging.Info().Msgf("go-proxy version %s", pkg.GetVersion())
+		logging.Info().Msgf("GoDoxy version %s", pkg.GetVersion())
 		logging.Trace().Msg("trace enabled")
 		// logging.AddHook(notif.GetDispatcher())
 	} else {
@@ -95,6 +95,10 @@ func main() {
 	}
 
 	switch args.Command {
+	case common.CommandListRoutes:
+		cfg.StartProxyProviders()
+		printJSON(config.RoutesByAlias())
+		return
 	case common.CommandListConfigs:
 		printJSON(config.Value())
 		return
@@ -106,6 +110,10 @@ func main() {
 		return
 	}
 
+	if common.APIJWTSecret == nil {
+		logging.Warn().Msg("API JWT secret is empty, authentication is disabled")
+	}
+
 	cfg.StartProxyProviders()
 	config.WatchChanges()
 
@@ -123,32 +131,35 @@ func main() {
 		logging.Info().Msg("autocert not configured")
 	}
 
-	proxyServer := server.InitProxyServer(server.Options{
-		Name:            "proxy",
-		CertProvider:    autocert,
-		HTTPAddr:        common.ProxyHTTPAddr,
-		HTTPSAddr:       common.ProxyHTTPSAddr,
-		Handler:         http.HandlerFunc(R.ProxyHandler),
-		RedirectToHTTPS: config.Value().RedirectToHTTPS,
+	server.StartServer(server.Options{
+		Name:         "proxy",
+		CertProvider: autocert,
+		HTTPAddr:     common.ProxyHTTPAddr,
+		HTTPSAddr:    common.ProxyHTTPSAddr,
+		Handler:      http.HandlerFunc(entrypoint.Handler),
 	})
-	apiServer := server.InitAPIServer(server.Options{
-		Name:            "api",
-		CertProvider:    autocert,
-		HTTPAddr:        common.APIHTTPAddr,
-		Handler:         api.NewHandler(),
-		RedirectToHTTPS: config.Value().RedirectToHTTPS,
+	server.StartServer(server.Options{
+		Name:         "api",
+		CertProvider: autocert,
+		HTTPAddr:     common.APIHTTPAddr,
+		Handler:      api.NewHandler(),
 	})
 
-	proxyServer.Start()
-	apiServer.Start()
+	if common.PrometheusEnabled {
+		server.StartServer(server.Options{
+			Name:         "metrics",
+			CertProvider: autocert,
+			HTTPAddr:     common.MetricsHTTPAddr,
+			Handler:      metrics.NewHandler(),
+		})
+	}
 
 	// wait for signal
 	<-sig
 
 	// grafully shutdown
 	logging.Info().Msg("shutting down")
-	task.CancelGlobalContext()
-	task.GlobalContextWait(time.Second * time.Duration(config.Value().TimeoutShutdown))
+	_ = task.GracefulShutdown(time.Second * time.Duration(config.Value().TimeoutShutdown))
 }
 
 func prepareDirectory(dir string) {
@@ -165,5 +176,5 @@ func printJSON(obj any) {
 		logging.Fatal().Err(err).Send()
 	}
 	rawLogger := log.New(os.Stdout, "", 0)
-	rawLogger.Printf("%s", j) // raw output for convenience using "jq"
+	rawLogger.Print(string(j)) // raw output for convenience using "jq"
 }

compose.example.yml

@@ -1,33 +1,42 @@
+---
 services:
-    frontend:
-        image: ghcr.io/yusing/go-proxy-frontend:latest
-        container_name: go-proxy-frontend
-        restart: unless-stopped
-        network_mode: host
-        env_file: .env
-        depends_on:
-            - app
-        # if you also want to proxy the WebUI and access it via gp.y.z
-        # labels:
-        #   - proxy.aliases=gp
-        #   - proxy.gp.port=3000
-    app:
-        image: ghcr.io/yusing/go-proxy:latest
-        container_name: go-proxy
-        restart: always
-        network_mode: host
-        env_file: .env
-        volumes:
-            - /var/run/docker.sock:/var/run/docker.sock
-            - ./config:/app/config
+  frontend:
+    image: ghcr.io/yusing/go-proxy-frontend:latest
+    container_name: godoxy-frontend
+    restart: unless-stopped
+    network_mode: host
+    env_file: .env
+    depends_on:
+      - app
+    # modify below to fit your needs
+    labels:
+      proxy.aliases: gp
+      proxy.#1.port: 3000
+      # proxy.#1.middlewares.cidr_whitelist.status: 403
+      # proxy.#1.middlewares.cidr_whitelist.message: IP not allowed
+      # proxy.#1.middlewares.cidr_whitelist.allow: |
+      #     - 127.0.0.1
+      #     - 10.0.0.0/8
+      #     - 192.168.0.0/16
+      #     - 172.16.0.0/12
+  app:
+    image: ghcr.io/yusing/go-proxy:latest
+    container_name: godoxy
+    restart: always
+    network_mode: host
+    env_file: .env
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - ./config:/app/config
+      - ./error_pages:/app/error_pages
 
-            # (Optional) choose one of below to enable https
-            # 1. use existing certificate
-            # if your cert is not named `cert.crt` change `cert_path` in `config/config.yml`
-            # if your cert key is not named `priv.key` change `key_path` in `config/config.yml`
+      # (Optional) choose one of below to enable https
+      # 1. use existing certificate
 
-            # - /path/to/certs:/app/certs
+      # - /path/to/certs/cert.crt:/app/certs/cert.crt
+      # - /path/to/certs/priv.key:/app/certs/priv.key
 
-            # 2. use autocert, certs will be stored in ./certs (or other path you specify)
+      # 2. use autocert, certs will be stored in ./certs
+      #    you can also use a docker volume to store it
 
-            # - ./certs:/app/certs
+      # - ./certs:/app/certs

config.example.yml

@@ -20,6 +20,60 @@
 #
 # 3. other providers, check docs/dns_providers.md for more
 
+entrypoint:
+  middlewares:
+    # this part blocks all non-LAN HTTP traffic
+    # remove if you don't want this
+    - use: CIDRWhitelist
+      allow:
+        - "127.0.0.1"
+        - "10.0.0.0/8"
+        - "172.16.0.0/12"
+        - "192.168.0.0/16"
+      status: 403
+      message: "Forbidden"
+    # end of CIDRWhitelist
+
+    # this part redirects HTTP to HTTPS
+    # remove if you don't want this
+    - use: RedirectHTTP
+
+  # access_log:
+  #   buffer_size: 1024
+  #   path: /var/log/example.log
+  #   filters:
+  #     status_codes:
+  #       values:
+  #         - 200-299
+  #         - 101
+  #     method:
+  #       values:
+  #         - GET
+  #     host:
+  #       values:
+  #         - example.y.z
+  #     headers:
+  #       negative: true
+  #       values:
+  #         - foo=bar
+  #         - baz
+  #     cidr:
+  #       values:
+  #         - 192.168.10.0/24
+  #   fields:
+  #     headers:
+  #       default: keep
+  #       config:
+  #         foo: redact
+  #     query:
+  #       default: drop
+  #       config:
+  #         foo: keep
+  #     cookies:
+  #       default: redact
+  #       config:
+  #         foo: keep
+
 providers:
   # include files are standalone yaml files under `config/` directory
   #
@@ -41,6 +95,28 @@ providers:
     #
     # remote-1: tcp://10.0.2.1:2375
     # remote-2: ssh://root:1234@10.0.2.2
+
+  # notification providers (notify when service health changes)
+  #
+  # notification:
+  #   - name: gotify
+  #     provider: gotify
+  #     url: https://gotify.domain.tld
+  #     token: abcd
+  #   - name: discord
+  #     provider: webhook
+  #     url: https://discord.com/api/webhooks/...
+  #     template: discord
+  #     # payload: | # discord template implies the following
+  #     #   {
+  #     #     "embeds": [
+  #     #       {
+  #     #         "title": $title,
+  #     #         "fields": $fields,
+  #     #         "color": "$color"
+  #     #       }
+  #     #     ]
+  #     #   }
 # if match_domains not defined
 # any host = alias+[any domain] will match
 # i.e. https://app1.y.z       will match alias app1 for any domain y.z
@@ -57,13 +133,12 @@ providers:
 #   - my.site
 #   - node1.my.app
 
+# homepage config
+homepage:
+  # use default app categories detected from alias or docker image name
+  use_default_categories: true
+
 # Below are fixed options (non hot-reloadable)
 
 # timeout for shutdown (in seconds)
-#
-# timeout_shutdown: 5
-
-# global setting redirect http requests to https (if https available, otherwise this will be ignored)
-# proxy.<alias>.middlewares.redirect_http will override this
-#
-# redirect_to_https: false
+timeout_shutdown: 5

examples/docker-compose/n8n.yml

@@ -0,0 +1,27 @@
+---
+services:
+  n8n:
+    image: n8nio/n8n
+    container_name: n8n
+    restart: always
+    expose:
+      - 5678
+    labels:
+      proxy.n8n.middlewares.request.set_headers: |
+        SSLRedirect: true
+        STSSeconds: 315360000
+        browserXSSFilter: true
+        contentTypeNosniff: true
+        forceSTSHeader: true
+        SSLHost: ${DOMAIN_NAME}
+        STSIncludeSubdomains: true
+        STSPreload: true
+    environment:
+      - N8N_HOST=${SUBDOMAIN}.${DOMAIN_NAME}
+      - N8N_PORT=5678
+      - N8N_PROTOCOL=https
+      - NODE_ENV=production
+      - WEBHOOK_URL=https://${SUBDOMAIN}.${DOMAIN_NAME}/
+      - GENERIC_TIMEZONE=${GENERIC_TIMEZONE}
+    volumes:
+      - ./data:/home/node/.n8n

examples/error_pages/404.css

@@ -0,0 +1,288 @@
+@import url("https://fonts.googleapis.com/css?family=Audiowide&display=swap");
+
+html,
+body {
+    margin: 0px;
+    overflow: hidden;
+}
+
+div {
+    position: absolute;
+    top: 0%;
+    left: 0%;
+    height: 100%;
+    width: 100%;
+    margin: 0px;
+    background: radial-gradient(circle, #240015 0%, #12000b 100%);
+    overflow: hidden;
+}
+
+.wrap {
+    position: absolute;
+    left: 50%;
+    top: 50%;
+    transform: translate(-50%, -50%);
+}
+
+h2 {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    margin-top: 150px;
+    font-size: 32px;
+    text-transform: uppercase;
+    transform: translate(-50%, -50%);
+    display: block;
+    color: #12000a;
+    font-weight: 300;
+    font-family: Audiowide;
+    text-shadow: 0px 0px 4px #12000a;
+    animation: fadeInText 3s ease-in 3.5s forwards,
+        flicker4 5s linear 7.5s infinite, hueRotate 6s ease-in-out 3s infinite;
+}
+
+#svgWrap_1,
+#svgWrap_2 {
+    position: absolute;
+    height: auto;
+    width: 600px;
+    max-width: 100%;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+}
+
+#svgWrap_1,
+#svgWrap_2,
+div {
+    animation: hueRotate 6s ease-in-out 3s infinite;
+}
+
+#id1_1,
+#id2_1,
+#id3_1 {
+    stroke: #ff005d;
+    stroke-width: 3px;
+    fill: transparent;
+    filter: url(#glow);
+}
+
+#id1_2,
+#id2_2,
+#id3_2 {
+    stroke: #12000a;
+    stroke-width: 3px;
+    fill: transparent;
+    filter: url(#glow);
+}
+
+#id3_1 {
+    stroke-dasharray: 940px;
+    stroke-dashoffset: -940px;
+    animation: drawLine3 2.5s ease-in-out 0s forwards,
+        flicker3 4s linear 4s infinite;
+}
+
+#id2_1 {
+    stroke-dasharray: 735px;
+    stroke-dashoffset: -735px;
+    animation: drawLine2 2.5s ease-in-out 0.5s forwards,
+        flicker2 4s linear 4.5s infinite;
+}
+
+#id1_1 {
+    stroke-dasharray: 940px;
+    stroke-dashoffset: -940px;
+    animation: drawLine1 2.5s ease-in-out 1s forwards,
+        flicker1 4s linear 5s infinite;
+}
+
+@keyframes drawLine1 {
+    0% {
+        stroke-dashoffset: -940px;
+    }
+    100% {
+        stroke-dashoffset: 0px;
+    }
+}
+
+@keyframes drawLine2 {
+    0% {
+        stroke-dashoffset: -735px;
+    }
+    100% {
+        stroke-dashoffset: 0px;
+    }
+}
+
+@keyframes drawLine3 {
+    0% {
+        stroke-dashoffset: -940px;
+    }
+    100% {
+        stroke-dashoffset: 0px;
+    }
+}
+
+@keyframes flicker1 {
+    0% {
+        stroke: #ff005d;
+    }
+    1% {
+        stroke: transparent;
+    }
+    3% {
+        stroke: transparent;
+    }
+    4% {
+        stroke: #ff005d;
+    }
+    6% {
+        stroke: #ff005d;
+    }
+    7% {
+        stroke: transparent;
+    }
+    13% {
+        stroke: transparent;
+    }
+    14% {
+        stroke: #ff005d;
+    }
+    100% {
+        stroke: #ff005d;
+    }
+}
+
+@keyframes flicker2 {
+    0% {
+        stroke: #ff005d;
+    }
+    50% {
+        stroke: #ff005d;
+    }
+    51% {
+        stroke: transparent;
+    }
+    61% {
+        stroke: transparent;
+    }
+    62% {
+        stroke: #ff005d;
+    }
+    100% {
+        stroke: #ff005d;
+    }
+}
+
+@keyframes flicker3 {
+    0% {
+        stroke: #ff005d;
+    }
+    1% {
+        stroke: transparent;
+    }
+    10% {
+        stroke: transparent;
+    }
+    11% {
+        stroke: #ff005d;
+    }
+    40% {
+        stroke: #ff005d;
+    }
+    41% {
+        stroke: transparent;
+    }
+    45% {
+        stroke: transparent;
+    }
+    46% {
+        stroke: #ff005d;
+    }
+    100% {
+        stroke: #ff005d;
+    }
+}
+
+@keyframes flicker4 {
+    0% {
+        color: #ff005d;
+        text-shadow: 0px 0px 4px #ff005d;
+    }
+    30% {
+        color: #ff005d;
+        text-shadow: 0px 0px 4px #ff005d;
+    }
+    31% {
+        color: #12000a;
+        text-shadow: 0px 0px 4px #12000a;
+    }
+    32% {
+        color: #ff005d;
+        text-shadow: 0px 0px 4px #ff005d;
+    }
+    36% {
+        color: #ff005d;
+        text-shadow: 0px 0px 4px #ff005d;
+    }
+    37% {
+        color: #12000a;
+        text-shadow: 0px 0px 4px #12000a;
+    }
+    41% {
+        color: #12000a;
+        text-shadow: 0px 0px 4px #12000a;
+    }
+    42% {
+        color: #ff005d;
+        text-shadow: 0px 0px 4px #ff005d;
+    }
+    85% {
+        color: #ff005d;
+        text-shadow: 0px 0px 4px #ff005d;
+    }
+    86% {
+        color: #12000a;
+        text-shadow: 0px 0px 4px #12000a;
+    }
+    95% {
+        color: #12000a;
+        text-shadow: 0px 0px 4px #12000a;
+    }
+    96% {
+        color: #ff005d;
+        text-shadow: 0px 0px 4px #ff005d;
+    }
+    100% {
+        color: #ff005d;
+        text-shadow: 0px 0px 4px #ff005d;
+    }
+}
+
+@keyframes fadeInText {
+    1% {
+        color: #12000a;
+        text-shadow: 0px 0px 4px #12000a;
+    }
+    70% {
+        color: #ff005d;
+        text-shadow: 0px 0px 14px #ff005d;
+    }
+    100% {
+        color: #ff005d;
+        text-shadow: 0px 0px 4px #ff005d;
+    }
+}
+
+@keyframes hueRotate {
+    0% {
+        filter: hue-rotate(0deg);
+    }
+    50% {
+        filter: hue-rotate(-120deg);
+    }
+    100% {
+        filter: hue-rotate(0deg);
+    }
+}

examples/error_pages/404.html

@@ -0,0 +1,51 @@
+{{/* Credit: https://codepen.io/code2rithik/pen/XWpVvYL */}}
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+  <meta charset="UTF-8" />
+  <title>Page Not Found</title>
+  <link rel="stylesheet" href="/$gperrorpage/404.css" type="text/css">
+  <!-- <script src="/$gperrorpage/404.js"> </script> -->
+</head>
+
+<body>
+  <script>0</script>
+  <div></div>
+  <svg id="svgWrap_2" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewBox="0 0 700 250">
+    <g>
+      <path id="id3_2"
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+      <path id="id1_2"
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+    </g>
+  </svg>
+  <svg id="svgWrap_1" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewBox="0 0 700 250">
+    <g>
+      <path id="id3_1"
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+      <path id="id2_1"
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+      <path id="id1_1"
+        d="M688.33 232.67h-37.1V149.7H520.39c-2.64 0-5.1-.5-7.36-1.49-2.27-.99-4.23-2.31-5.88-3.96-1.65-1.65-2.95-3.61-3.89-5.88s-1.42-4.67-1.42-7.22V29.62h36.82v82.98h112.57V29.62h37.1v203.05z" />
+    </g>
+  </svg>
+
+  <svg>
+    <defs>
+      <filter id="glow">
+        <fegaussianblur class="blur" result="coloredBlur" stddeviation="4"></fegaussianblur>
+        <femerge>
+          <femergenode in="coloredBlur"></femergenode>
+          <femergenode in="SourceGraphic"></femergenode>
+        </femerge>
+      </filter>
+    </defs>
+  </svg>
+
+  <h2>Page Not Found</h2>
+</body>
+
+</html>

examples/microbin.yml

@@ -1,16 +0,0 @@
-services:
-  app:
-    container_name: microbin
-    cpu_shares: 10
-    deploy:
-      resources:
-        limits:
-          memory: 256M
-    env_file: .env
-    image: danielszabo99/microbin:latest
-    ports:
-      - 8080
-    restart: unless-stopped
-    volumes:
-      - ./data:/app/microbin_data
-# microbin.domain.tld

examples/siyuan.yml

@@ -1,16 +0,0 @@
-services:
-  main:
-    image: b3log/siyuan:v3.1.0
-    container_name: siyuan
-    command:
-      - --workspace=/siyuan/workspace/
-      - --accessAuthCode=<some password>
-    user: 1000:1000
-    volumes:
-      - ./workspace:/siyuan/workspace
-    restart: unless-stopped
-    environment:
-      - TZ=Asia/Hong_Kong
-    ports:
-      - 6806
-# siyuan.domain.tld

go.mod

@@ -1,64 +1,76 @@
 module github.com/yusing/go-proxy
 
-go 1.23.2
+go 1.23.4
 
 require (
 	github.com/coder/websocket v1.8.12
-	github.com/docker/cli v27.3.1+incompatible
-	github.com/docker/docker v27.3.1+incompatible
-	github.com/fsnotify/fsnotify v1.7.0
-	github.com/go-acme/lego/v4 v4.19.2
+	github.com/docker/cli v27.4.1+incompatible
+	github.com/docker/docker v27.4.1+incompatible
+	github.com/fsnotify/fsnotify v1.8.0
+	github.com/go-acme/lego/v4 v4.21.0
+	github.com/go-playground/validator/v10 v10.23.0
 	github.com/golang-jwt/jwt/v5 v5.2.1
-	github.com/gotify/server/v2 v2.5.0
+	github.com/gotify/server/v2 v2.6.1
+	github.com/prometheus/client_golang v1.20.5
 	github.com/puzpuzpuz/xsync/v3 v3.4.0
 	github.com/rs/zerolog v1.33.0
-	github.com/santhosh-tekuri/jsonschema v1.2.4
-	golang.org/x/net v0.30.0
-	golang.org/x/text v0.19.0
+	golang.org/x/net v0.33.0
+	golang.org/x/text v0.21.0
+	golang.org/x/time v0.9.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	github.com/Microsoft/go-winio v0.6.2 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
-	github.com/cloudflare/cloudflare-go v0.108.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/cloudflare/cloudflare-go v0.113.0 // indirect
 	github.com/containerd/log v0.1.0 // indirect
 	github.com/distribution/reference v0.6.0 // indirect
 	github.com/docker/go-connections v0.5.0 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.8 // indirect
 	github.com/go-jose/go-jose/v4 v4.0.4 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/goccy/go-json v0.10.3 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/goccy/go-json v0.10.4 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
-	github.com/kr/pretty v0.3.1 // indirect
+	github.com/klauspost/compress v1.17.11 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/miekg/dns v1.1.62 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
 	github.com/moby/term v0.5.0 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.1.0 // indirect
 	github.com/ovh/go-ovh v1.6.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/rogpeppe/go-internal v1.13.1 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/common v0.61.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0 // indirect
-	go.opentelemetry.io/otel v1.31.0 // indirect
+	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.58.0 // indirect
+	go.opentelemetry.io/otel v1.33.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.30.0 // indirect
-	go.opentelemetry.io/otel/metric v1.31.0 // indirect
+	go.opentelemetry.io/otel/metric v1.33.0 // indirect
 	go.opentelemetry.io/otel/sdk v1.30.0 // indirect
-	go.opentelemetry.io/otel/trace v1.31.0 // indirect
-	golang.org/x/crypto v0.28.0 // indirect
-	golang.org/x/mod v0.21.0 // indirect
-	golang.org/x/oauth2 v0.23.0 // indirect
-	golang.org/x/sync v0.8.0 // indirect
-	golang.org/x/sys v0.26.0 // indirect
-	golang.org/x/time v0.7.0 // indirect
-	golang.org/x/tools v0.26.0 // indirect
+	go.opentelemetry.io/otel/trace v1.33.0 // indirect
+	golang.org/x/crypto v0.31.0 // indirect
+	golang.org/x/mod v0.22.0 // indirect
+	golang.org/x/oauth2 v0.25.0 // indirect
+	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/sys v0.29.0 // indirect
+	golang.org/x/tools v0.28.0 // indirect
+	google.golang.org/protobuf v1.36.1 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gotest.tools/v3 v3.5.1 // indirect
 )

go.sum

@@ -2,36 +2,41 @@ github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOEl
 github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
 github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
+github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
 github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
-github.com/cloudflare/cloudflare-go v0.108.0 h1:C4Skfjd8I8X3uEOGmQUT4/iGyZcWdkIU7HwvMoLkEE0=
-github.com/cloudflare/cloudflare-go v0.108.0/go.mod h1:m492eNahT/9MsN7Ppnoge8AaI7QhVFtEgVm3I9HJFeU=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cloudflare/cloudflare-go v0.113.0 h1:qnOXmA6RbgZ4rg5gNBK5QGk0Pzbv8pnUYV3C4+8CU6w=
+github.com/cloudflare/cloudflare-go v0.113.0/go.mod h1:Dlm4BAnycHc0i8yLxQZb9b+OlMwYOAoDJsUOEFgpVvo=
 github.com/coder/websocket v1.8.12 h1:5bUXkEPPIbewrnkU8LTCLVaxi4N4J8ahufH2vlo4NAo=
 github.com/coder/websocket v1.8.12/go.mod h1:LNVeNrXQZfe5qhS9ALED3uA+l5pPqvwXg3CKoDBB2gs=
 github.com/containerd/log v0.1.0 h1:TCJt7ioM2cr/tfR8GPbGf9/VRAX8D2B4PjzCpfX540I=
 github.com/containerd/log v0.1.0/go.mod h1:VRRf09a7mHDIRezVKTRCrOq78v577GXq3bSa3EhrzVo=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5QvfrDyIgxBk=
 github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
-github.com/docker/cli v27.3.1+incompatible h1:qEGdFBF3Xu6SCvCYhc7CzaQTlBmqDuzxPDpigSyeKQQ=
-github.com/docker/cli v27.3.1+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
-github.com/docker/docker v27.3.1+incompatible h1:KttF0XoteNTicmUtBO0L2tP+J7FGRFTjaEF4k6WdhfI=
-github.com/docker/docker v27.3.1+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/cli v27.4.1+incompatible h1:VzPiUlRJ/xh+otB75gva3r05isHMo5wXDfPRi5/b4hI=
+github.com/docker/cli v27.4.1+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
+github.com/docker/docker v27.4.1+incompatible h1:ZJvcY7gfwHn1JF48PfbyXg7Jyt9ZCWDW+GGXOIxEwp4=
+github.com/docker/docker v27.4.1+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/go-connections v0.5.0 h1:USnMq7hx7gwdVZq1L49hLXaFtUdTADjXGp+uj1Br63c=
 github.com/docker/go-connections v0.5.0/go.mod h1:ov60Kzw0kKElRwhNs9UlUHAE/F9Fe6GLaXnqyDdmEXc=
 github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
 github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
-github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
-github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
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+golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U=
+golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.21.0 h1:vvrHzRwRfVKSiLrG+d4FMl/Qi4ukBCE6kZlTUkDYRT0=
-golang.org/x/mod v0.21.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
+golang.org/x/mod v0.22.0 h1:D4nJWe9zXqHOmWqj4VMOJhvzj7bEZg4wEYa759z1pH4=
+golang.org/x/mod v0.22.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
-golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
-golang.org/x/oauth2 v0.23.0 h1:PbgcYx2W7i4LvjJWEbf0ngHV6qJYr86PkAV3bXdLEbs=
-golang.org/x/oauth2 v0.23.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
+golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
+golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
+golang.org/x/oauth2 v0.25.0 h1:CY4y7XT9v0cRI9oupztF8AgiIu99L/ksR/Xp/6jrZ70=
+golang.org/x/oauth2 v0.25.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
-golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
+golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -156,33 +183,33 @@ golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
-golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU=
+golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
-golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
-golang.org/x/time v0.7.0 h1:ntUhktv3OPE6TgYxXWv9vKvUSJyIFJlyohwbkEwPrKQ=
-golang.org/x/time v0.7.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
+golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
+golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
+golang.org/x/time v0.9.0 h1:EsRrnYcQiGH+5FfbgvV4AP7qEZstoyrHB0DzarOQ4ZY=
+golang.org/x/time v0.9.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.26.0 h1:v/60pFQmzmT9ExmjDv2gGIfi3OqfKoEP6I5+umXlbnQ=
-golang.org/x/tools v0.26.0/go.mod h1:TPVVj70c7JJ3WCazhD8OdXcZg/og+b9+tH/KxylGwH0=
+golang.org/x/tools v0.28.0 h1:WuB6qZ4RPCQo5aP3WdKZS7i595EdWqWR8vqJTlwTVK8=
+golang.org/x/tools v0.28.0/go.mod h1:dcIOrVd3mfQKTgrDVQHqCPMWy6lnhfhtX3hLXYVLfRw=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/genproto v0.0.0-20240903143218-8af14fe29dc1 h1:BulPr26Jqjnd4eYDVe+YvyR7Yc2vJGkO5/0UxD0/jZU=
-google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1 h1:hjSy6tcFQZ171igDaN5QHOw2n6vx40juYbC/x67CEhc=
-google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:qpvKtACPCQhAdu3PyQgV4l3LMXZEtft7y8QcarRsp9I=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
-google.golang.org/grpc v1.66.1 h1:hO5qAXR19+/Z44hmvIM4dQFMSYX9XcWsByfoxutBpAM=
-google.golang.org/grpc v1.66.1/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
-google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
-google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
+google.golang.org/genproto v0.0.0-20241021214115-324edc3d5d38 h1:Q3nlH8iSQSRUwOskjbcSMcF2jiYMNiQYZ0c2KEJLKKU=
+google.golang.org/genproto/googleapis/api v0.0.0-20241118233622-e639e219e697 h1:pgr/4QbFyktUv9CtQ/Fq4gzEE6/Xs7iCXbktaGzLHbQ=
+google.golang.org/genproto/googleapis/api v0.0.0-20241118233622-e639e219e697/go.mod h1:+D9ySVjN8nY8YCVjc5O7PZDIdZporIDY3KaGfJunh88=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241209162323-e6fa225c2576 h1:8ZmaLZE4XWrtU3MyClkYqqtl6Oegr3235h7jxsDyqCY=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241209162323-e6fa225c2576/go.mod h1:5uTbfoYQed2U9p3KIj2/Zzm02PYhndfdmML0qC3q3FU=
+google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E=
+google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
+google.golang.org/protobuf v1.36.1 h1:yBPeRvTftaleIgM3PZ/WBIZ7XM/eEYAaEyCwvyjq/gk=
+google.golang.org/protobuf v1.36.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

internal/api/handler.go

@@ -1,7 +1,6 @@
 package api
 
 import (
-	"fmt"
 	"net"
 	"net/http"
 
@@ -18,7 +17,7 @@ func NewServeMux() ServeMux {
 }
 
 func (mux ServeMux) HandleFunc(method, endpoint string, handler http.HandlerFunc) {
-	mux.ServeMux.HandleFunc(fmt.Sprintf("%s %s", method, endpoint), checkHost(handler))
+	mux.ServeMux.HandleFunc(method+" "+endpoint, checkHost(handler))
 }
 
 func NewHandler() http.Handler {
@@ -32,10 +31,10 @@ func NewHandler() http.Handler {
 	mux.HandleFunc("GET", "/v1/list", auth.RequireAuth(v1.List))
 	mux.HandleFunc("GET", "/v1/list/{what}", auth.RequireAuth(v1.List))
 	mux.HandleFunc("GET", "/v1/list/{what}/{which}", auth.RequireAuth(v1.List))
-	mux.HandleFunc("GET", "/v1/file", auth.RequireAuth(v1.GetFileContent))
-	mux.HandleFunc("GET", "/v1/file/{filename...}", auth.RequireAuth(v1.GetFileContent))
-	mux.HandleFunc("POST", "/v1/file/{filename...}", auth.RequireAuth(v1.SetFileContent))
-	mux.HandleFunc("PUT", "/v1/file/{filename...}", auth.RequireAuth(v1.SetFileContent))
+	mux.HandleFunc("GET", "/v1/file/{type}/{filename}", auth.RequireAuth(v1.GetFileContent))
+	mux.HandleFunc("POST", "/v1/file/{type}/{filename}", auth.RequireAuth(v1.SetFileContent))
+	mux.HandleFunc("PUT", "/v1/file/{type}/{filename}", auth.RequireAuth(v1.SetFileContent))
+	mux.HandleFunc("GET", "/v1/schema/{filename...}", v1.GetSchemaFile)
 	mux.HandleFunc("GET", "/v1/stats", v1.Stats)
 	mux.HandleFunc("GET", "/v1/stats/ws", v1.StatsWS)
 	return mux
@@ -53,6 +52,7 @@ func checkHost(f http.HandlerFunc) http.HandlerFunc {
 			http.Error(w, "forbidden", http.StatusForbidden)
 			return
 		}
+		LogDebug(r).Interface("headers", r.Header).Msg("API request")
 		f(w, r)
 	}
 }

internal/api/v1/auth/auth.go

@@ -90,7 +90,7 @@ func LogoutHandler(w http.ResponseWriter, r *http.Request) {
 }
 
 func RequireAuth(next http.HandlerFunc) http.HandlerFunc {
-	if common.IsDebugSkipAuth {
+	if common.IsDebugSkipAuth || common.APIJWTSecret == nil {
 		return next
 	}
 
@@ -104,7 +104,7 @@ func RequireAuth(next http.HandlerFunc) http.HandlerFunc {
 func checkToken(w http.ResponseWriter, r *http.Request) (ok bool) {
 	tokenCookie, err := r.Cookie("token")
 	if err != nil {
-		U.HandleErr(w, r, E.PrependSubject("token", err), http.StatusUnauthorized)
+		U.RespondError(w, E.New("missing token"), http.StatusUnauthorized)
 		return false
 	}
 	var claims Claims
@@ -127,7 +127,7 @@ func checkToken(w http.ResponseWriter, r *http.Request) (ok bool) {
 	}
 
 	if err != nil {
-		U.HandleErr(w, r, err, http.StatusForbidden)
+		U.RespondError(w, err, http.StatusForbidden)
 		return false
 	}
 

internal/api/v1/file.go

@@ -11,15 +11,63 @@ import (
 	"github.com/yusing/go-proxy/internal/common"
 	"github.com/yusing/go-proxy/internal/config"
 	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/net/http/middleware"
 	"github.com/yusing/go-proxy/internal/route/provider"
 )
 
-func GetFileContent(w http.ResponseWriter, r *http.Request) {
-	filename := r.PathValue("filename")
-	if filename == "" {
-		filename = common.ConfigFileName
+type FileType string
+
+const (
+	FileTypeConfig     FileType = "config"
+	FileTypeProvider   FileType = "provider"
+	FileTypeMiddleware FileType = "middleware"
+)
+
+func fileType(file string) FileType {
+	switch {
+	case strings.HasPrefix(path.Base(file), "config."):
+		return FileTypeConfig
+	case strings.HasPrefix(file, common.MiddlewareComposeBasePath):
+		return FileTypeMiddleware
 	}
-	content, err := os.ReadFile(path.Join(common.ConfigBasePath, filename))
+	return FileTypeProvider
+}
+
+func (t FileType) IsValid() bool {
+	switch t {
+	case FileTypeConfig, FileTypeProvider, FileTypeMiddleware:
+		return true
+	}
+	return false
+}
+
+func (t FileType) GetPath(filename string) string {
+	if t == FileTypeMiddleware {
+		return path.Join(common.MiddlewareComposeBasePath, filename)
+	}
+	return path.Join(common.ConfigBasePath, filename)
+}
+
+func getArgs(r *http.Request) (fileType FileType, filename string, err error) {
+	fileType = FileType(r.PathValue("type"))
+	if !fileType.IsValid() {
+		err = U.ErrInvalidKey("type")
+		return
+	}
+	filename = r.PathValue("filename")
+	if filename == "" {
+		err = U.ErrMissingKey("filename")
+	}
+	return
+}
+
+func GetFileContent(w http.ResponseWriter, r *http.Request) {
+	fileType, filename, err := getArgs(r)
+	if err != nil {
+		U.RespondError(w, err, http.StatusBadRequest)
+		return
+	}
+	content, err := os.ReadFile(fileType.GetPath(filename))
 	if err != nil {
 		U.HandleErr(w, r, err)
 		return
@@ -28,9 +76,9 @@ func GetFileContent(w http.ResponseWriter, r *http.Request) {
 }
 
 func SetFileContent(w http.ResponseWriter, r *http.Request) {
-	filename := r.PathValue("filename")
-	if filename == "" {
-		U.HandleErr(w, r, U.ErrMissingKey("filename"), http.StatusBadRequest)
+	fileType, filename, err := getArgs(r)
+	if err != nil {
+		U.RespondError(w, err, http.StatusBadRequest)
 		return
 	}
 	content, err := io.ReadAll(r.Body)
@@ -40,19 +88,23 @@ func SetFileContent(w http.ResponseWriter, r *http.Request) {
 	}
 
 	var valErr E.Error
-	if filename == common.ConfigFileName {
+	switch fileType {
+	case FileTypeConfig:
 		valErr = config.Validate(content)
-	} else if !strings.HasPrefix(filename, path.Base(common.MiddlewareComposeBasePath)) {
+	case FileTypeMiddleware:
+		errs := E.NewBuilder("middleware errors")
+		middleware.BuildMiddlewaresFromYAML(filename, content, errs)
+		valErr = errs.Error()
+	default:
 		valErr = provider.Validate(content)
 	}
-	// no validation for include files
 
 	if valErr != nil {
-		U.RespondJSON(w, r, valErr, http.StatusBadRequest)
+		U.RespondError(w, valErr, http.StatusBadRequest)
 		return
 	}
 
-	err = os.WriteFile(path.Join(common.ConfigBasePath, filename), content, 0o644)
+	err = os.WriteFile(fileType.GetPath(filename), content, 0o644)
 	if err != nil {
 		U.HandleErr(w, r, err)
 		return

internal/api/v1/list.go

@@ -16,7 +16,7 @@ import (
 const (
 	ListRoute            = "route"
 	ListRoutes           = "routes"
-	ListConfigFiles      = "config_files"
+	ListFiles            = "files"
 	ListMiddlewares      = "middlewares"
 	ListMiddlewareTraces = "middleware_trace"
 	ListMatchDomains     = "match_domains"
@@ -34,15 +34,15 @@ func List(w http.ResponseWriter, r *http.Request) {
 	switch what {
 	case ListRoute:
 		if route := listRoute(which); route == nil {
-			http.Error(w, "not found", http.StatusNotFound)
+			http.NotFound(w, r)
 			return
 		} else {
 			U.RespondJSON(w, r, route)
 		}
 	case ListRoutes:
 		U.RespondJSON(w, r, config.RoutesByAlias(route.RouteType(r.FormValue("type"))))
-	case ListConfigFiles:
-		listConfigFiles(w, r)
+	case ListFiles:
+		listFiles(w, r)
 	case ListMiddlewares:
 		U.RespondJSON(w, r, middleware.All())
 	case ListMiddlewareTraces:
@@ -52,17 +52,14 @@ func List(w http.ResponseWriter, r *http.Request) {
 	case ListHomepageConfig:
 		U.RespondJSON(w, r, config.HomepageConfig())
 	case ListTasks:
-		U.RespondJSON(w, r, task.DebugTaskMap())
+		U.RespondJSON(w, r, task.DebugTaskList())
 	default:
 		U.HandleErr(w, r, U.ErrInvalidKey("what"), http.StatusBadRequest)
 	}
 }
 
 func listRoute(which string) any {
-	if which == "" {
-		which = "all"
-	}
-	if which == "all" {
+	if which == "" || which == "all" {
 		return config.RoutesByAlias()
 	}
 	routes := config.RoutesByAlias()
@@ -73,14 +70,32 @@ func listRoute(which string) any {
 	return route
 }
 
-func listConfigFiles(w http.ResponseWriter, r *http.Request) {
-	files, err := utils.ListFiles(common.ConfigBasePath, 1)
+func listFiles(w http.ResponseWriter, r *http.Request) {
+	files, err := utils.ListFiles(common.ConfigBasePath, 0)
 	if err != nil {
 		U.HandleErr(w, r, err)
 		return
 	}
-	for i := range files {
-		files[i] = strings.TrimPrefix(files[i], common.ConfigBasePath+"/")
+	resp := map[FileType][]string{
+		FileTypeConfig:     make([]string, 0),
+		FileTypeProvider:   make([]string, 0),
+		FileTypeMiddleware: make([]string, 0),
 	}
-	U.RespondJSON(w, r, files)
+
+	for _, file := range files {
+		t := fileType(file)
+		file = strings.TrimPrefix(file, common.ConfigBasePath+"/")
+		resp[t] = append(resp[t], file)
+	}
+
+	mids, err := utils.ListFiles(common.MiddlewareComposeBasePath, 0)
+	if err != nil {
+		U.HandleErr(w, r, err)
+		return
+	}
+	for _, mid := range mids {
+		mid = strings.TrimPrefix(mid, common.MiddlewareComposeBasePath+"/")
+		resp[FileTypeMiddleware] = append(resp[FileTypeMiddleware], mid)
+	}
+	U.RespondJSON(w, r, resp)
 }

internal/api/v1/schema.go

@@ -0,0 +1,23 @@
+package v1
+
+import (
+	"net/http"
+	"os"
+	"path"
+
+	U "github.com/yusing/go-proxy/internal/api/v1/utils"
+	"github.com/yusing/go-proxy/internal/common"
+)
+
+func GetSchemaFile(w http.ResponseWriter, r *http.Request) {
+	filename := r.PathValue("filename")
+	if filename == "" {
+		U.RespondError(w, U.ErrMissingKey("filename"), http.StatusBadRequest)
+	}
+	content, err := os.ReadFile(path.Join(common.SchemaBasePath, filename))
+	if err != nil {
+		U.HandleErr(w, r, err)
+		return
+	}
+	U.WriteBody(w, content)
+}

internal/api/v1/stats.go

@@ -10,7 +10,6 @@ import (
 	U "github.com/yusing/go-proxy/internal/api/v1/utils"
 	"github.com/yusing/go-proxy/internal/common"
 	"github.com/yusing/go-proxy/internal/config"
-	"github.com/yusing/go-proxy/internal/server"
 	"github.com/yusing/go-proxy/internal/utils/strutils"
 )
 
@@ -19,15 +18,17 @@ func Stats(w http.ResponseWriter, r *http.Request) {
 }
 
 func StatsWS(w http.ResponseWriter, r *http.Request) {
-	localAddresses := []string{"127.0.0.1", "10.0.*.*", "172.16.*.*", "192.168.*.*"}
-	originPats := make([]string, len(config.Value().MatchDomains)+len(localAddresses))
+	var originPats []string
 
-	if len(originPats) == 0 {
+	localAddresses := []string{"127.0.0.1", "10.0.*.*", "172.16.*.*", "192.168.*.*"}
+
+	if len(config.Value().MatchDomains) == 0 {
 		U.LogWarn(r).Msg("no match domains configured, accepting websocket API request from all origins")
 		originPats = []string{"*"}
 	} else {
+		originPats = make([]string, len(config.Value().MatchDomains))
 		for i, domain := range config.Value().MatchDomains {
-			originPats[i] = "*." + domain
+			originPats[i] = "*" + domain
 		}
 		originPats = append(originPats, localAddresses...)
 	}
@@ -59,9 +60,11 @@ func StatsWS(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+var startTime = time.Now()
+
 func getStats() map[string]any {
 	return map[string]any{
 		"proxies": config.Statistics(),
-		"uptime":  strutils.FormatDuration(server.GetProxyServer().Uptime()),
+		"uptime":  strutils.FormatDuration(time.Since(startTime)),
 	}
 }

internal/api/v1/utils/error.go

@@ -4,6 +4,7 @@ import (
 	"net/http"
 
 	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/utils/strutils/ansi"
 )
 
 // HandleErr logs the error and returns an HTTP error response to the client.
@@ -11,16 +12,22 @@ import (
 // http.StatusInternalServerError is used.
 //
 // The error is only logged but not returned to the client.
-func HandleErr(w http.ResponseWriter, r *http.Request, origErr error, code ...int) {
-	if origErr == nil {
+func HandleErr(w http.ResponseWriter, r *http.Request, err error, code ...int) {
+	if err == nil {
 		return
 	}
-	LogError(r).Msg(origErr.Error())
-	statusCode := http.StatusInternalServerError
-	if len(code) > 0 {
-		statusCode = code[0]
+	LogError(r).Msg(err.Error())
+	if len(code) == 0 {
+		code = []int{http.StatusInternalServerError}
 	}
-	http.Error(w, http.StatusText(statusCode), statusCode)
+	http.Error(w, http.StatusText(code[0]), code[0])
+}
+
+func RespondError(w http.ResponseWriter, err error, code ...int) {
+	if len(code) == 0 {
+		code = []int{http.StatusBadRequest}
+	}
+	http.Error(w, ansi.StripANSI(err.Error()), code[0])
 }
 
 func ErrMissingKey(k string) error {

internal/api/v1/utils/logging.go

@@ -8,11 +8,13 @@ import (
 )
 
 func reqLogger(r *http.Request, level zerolog.Level) *zerolog.Event {
-	return logging.WithLevel(level).Str("module", "api").
-		Str("method", r.Method).
-		Str("path", r.RequestURI)
+	return logging.WithLevel(level).
+		Str("module", "api").
+		Str("remote", r.RemoteAddr).
+		Str("uri", r.Method+" "+r.RequestURI)
 }
 
 func LogError(r *http.Request) *zerolog.Event { return reqLogger(r, zerolog.ErrorLevel) }
 func LogWarn(r *http.Request) *zerolog.Event  { return reqLogger(r, zerolog.WarnLevel) }
 func LogInfo(r *http.Request) *zerolog.Event  { return reqLogger(r, zerolog.InfoLevel) }
+func LogDebug(r *http.Request) *zerolog.Event { return reqLogger(r, zerolog.DebugLevel) }

internal/api/v1/utils/utils.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 
 	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/internal/utils/strutils/ansi"
 )
 
 func WriteBody(w http.ResponseWriter, body []byte) {
@@ -27,13 +28,17 @@ func RespondJSON(w http.ResponseWriter, r *http.Request, data any, code ...int)
 		j = []byte(fmt.Sprintf("%q", data))
 	case []byte:
 		j = data
+	case error:
+		j, err = json.Marshal(ansi.StripANSI(data.Error()))
 	default:
 		j, err = json.MarshalIndent(data, "", "  ")
-		if err != nil {
-			logging.Panic().Err(err).Msg("failed to marshal json")
-			return false
-		}
 	}
+
+	if err != nil {
+		logging.Panic().Err(err).Msg("failed to marshal json")
+		return false
+	}
+
 	_, err = w.Write(j)
 	if err != nil {
 		HandleErr(w, r, err)

internal/autocert/config.go

@@ -4,10 +4,13 @@ import (
 	"crypto/ecdsa"
 	"crypto/elliptic"
 	"crypto/rand"
+	"crypto/x509"
+	"os"
 
 	"github.com/go-acme/lego/v4/certcrypto"
 	"github.com/go-acme/lego/v4/lego"
 	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/logging"
 	"github.com/yusing/go-proxy/internal/utils"
 	"github.com/yusing/go-proxy/internal/utils/strutils"
 
@@ -24,6 +27,9 @@ var (
 )
 
 func NewConfig(cfg *types.AutoCertConfig) *Config {
+	if cfg == nil {
+		cfg = new(types.AutoCertConfig)
+	}
 	if cfg.CertPath == "" {
 		cfg.CertPath = CertFileDefault
 	}
@@ -33,6 +39,9 @@ func NewConfig(cfg *types.AutoCertConfig) *Config {
 	if cfg.Provider == "" {
 		cfg.Provider = ProviderLocal
 	}
+	if cfg.ACMEKeyPath == "" {
+		cfg.ACMEKeyPath = ACMEKeyFileDefault
+	}
 	return (*Config)(cfg)
 }
 
@@ -62,10 +71,21 @@ func (cfg *Config) GetProvider() (*Provider, E.Error) {
 		return nil, b.Error()
 	}
 
-	privKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
-	if err != nil {
-		b.Addf("generate private key: %w", err)
-		return nil, b.Error()
+	var privKey *ecdsa.PrivateKey
+	var err error
+
+	if cfg.Provider != ProviderLocal {
+		if privKey, err = cfg.loadACMEKey(); err != nil {
+			logging.Info().Err(err).Msg("load ACME private key failed")
+			logging.Info().Msg("generate new ACME private key")
+			privKey, err = ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+			if err != nil {
+				return nil, E.New("generate ACME private key").With(err)
+			}
+			if err = cfg.saveACMEKey(privKey); err != nil {
+				return nil, E.New("save ACME private key").With(err)
+			}
+		}
 	}
 
 	user := &User{
@@ -82,3 +102,19 @@ func (cfg *Config) GetProvider() (*Provider, E.Error) {
 		legoCfg: legoCfg,
 	}, nil
 }
+
+func (cfg *Config) loadACMEKey() (*ecdsa.PrivateKey, error) {
+	data, err := os.ReadFile(cfg.ACMEKeyPath)
+	if err != nil {
+		return nil, err
+	}
+	return x509.ParseECPrivateKey(data)
+}
+
+func (cfg *Config) saveACMEKey(key *ecdsa.PrivateKey) error {
+	data, err := x509.MarshalECPrivateKey(key)
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(cfg.ACMEKeyPath, data, 0o600)
+}

internal/autocert/constants.go

@@ -8,10 +8,10 @@ import (
 )
 
 const (
-	certBasePath     = "certs/"
-	CertFileDefault  = certBasePath + "cert.crt"
-	KeyFileDefault   = certBasePath + "priv.key"
-	RegistrationFile = certBasePath + "registration.json"
+	certBasePath       = "certs/"
+	CertFileDefault    = certBasePath + "cert.crt"
+	KeyFileDefault     = certBasePath + "priv.key"
+	ACMEKeyFileDefault = certBasePath + "acme.key"
 )
 
 const (

internal/autocert/provider.go

@@ -28,6 +28,7 @@ type (
 		legoCfg *lego.Config
 		client  *lego.Client
 
+		legoCert     *certificate.Resource
 		tlsCert      *tls.Certificate
 		certExpiries CertExpiries
 	}
@@ -78,14 +79,29 @@ func (p *Provider) ObtainCert() E.Error {
 		}
 	}
 
-	client := p.client
-	req := certificate.ObtainRequest{
-		Domains: p.cfg.Domains,
-		Bundle:  true,
+	var cert *certificate.Resource
+	var err error
+
+	if p.legoCert != nil {
+		cert, err = p.client.Certificate.RenewWithOptions(*p.legoCert, &certificate.RenewOptions{
+			Bundle: true,
+		})
+		if err != nil {
+			p.legoCert = nil
+			logger.Err(err).Msg("cert renew failed, fallback to obtain")
+		} else {
+			p.legoCert = cert
+		}
 	}
-	cert, err := client.Certificate.Obtain(req)
-	if err != nil {
-		return E.From(err)
+
+	if cert == nil {
+		cert, err = p.client.Certificate.Obtain(certificate.ObtainRequest{
+			Domains: p.cfg.Domains,
+			Bundle:  true,
+		})
+		if err != nil {
+			return E.From(err)
+		}
 	}
 
 	if err = p.saveCert(cert); err != nil {
@@ -137,17 +153,22 @@ func (p *Provider) ScheduleRenewal() {
 		return
 	}
 	go func() {
-		task := task.GlobalTask("cert renew scheduler")
-		ticker := time.NewTicker(5 * time.Second)
-		defer ticker.Stop()
-		defer task.Finish("cert renew scheduler stopped")
+		task := task.RootTask("cert-renew-scheduler", true)
+		defer task.Finish(nil)
+
 		for {
+			renewalTime := p.ShouldRenewOn()
+			timer := time.NewTimer(time.Until(renewalTime))
+
 			select {
 			case <-task.Context().Done():
+				timer.Stop()
 				return
-			case <-ticker.C: // check every 5 seconds
+			case <-timer.C:
 				if err := p.renewIfNeeded(); err != nil {
 					E.LogWarn("cert renew failed", err, &logger)
+					// Retry after 1 hour on failure
+					time.Sleep(time.Hour)
 				}
 			}
 		}
@@ -179,12 +200,18 @@ func (p *Provider) registerACME() error {
 	if p.user.Registration != nil {
 		return nil
 	}
+	if reg, err := p.client.Registration.ResolveAccountByKey(); err == nil {
+		p.user.Registration = reg
+		logger.Info().Msg("reused acme registration from private key")
+		return nil
+	}
+
 	reg, err := p.client.Registration.Register(registration.RegisterOptions{TermsOfServiceAgreed: true})
 	if err != nil {
 		return err
 	}
 	p.user.Registration = reg
-
+	logger.Info().Interface("reg", reg).Msg("acme registered")
 	return nil
 }
 

internal/autocert/setup.go

@@ -4,6 +4,7 @@ import (
 	"os"
 
 	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
 )
 
 func (p *Provider) Setup() (err E.Error) {
@@ -20,7 +21,7 @@ func (p *Provider) Setup() (err E.Error) {
 	p.ScheduleRenewal()
 
 	for _, expiry := range p.GetExpiries() {
-		logger.Info().Msg("certificate expire on " + expiry.String())
+		logger.Info().Msg("certificate expire on " + strutils.FormatTime(expiry))
 		break
 	}
 

internal/common/crypto.go

@@ -1,7 +1,6 @@
 package common
 
 import (
-	"crypto/rand"
 	"crypto/sha512"
 	"encoding/base64"
 
@@ -14,15 +13,10 @@ func HashPassword(pwd string) []byte {
 	return h.Sum(nil)
 }
 
-func generateJWTKey(size int) string {
-	bytes := make([]byte, size)
-	if _, err := rand.Read(bytes); err != nil {
-		log.Panic().Err(err).Msg("failed to generate jwt key")
-	}
-	return base64.StdEncoding.EncodeToString(bytes)
-}
-
 func decodeJWTKey(key string) []byte {
+	if key == "" {
+		return nil
+	}
 	bytes, err := base64.StdEncoding.DecodeString(key)
 	if err != nil {
 		log.Panic().Err(err).Msg("failed to decode jwt key")

internal/common/env.go

@@ -12,55 +12,76 @@ import (
 )
 
 var (
-	NoSchemaValidation = GetEnvBool("GOPROXY_NO_SCHEMA_VALIDATION", true)
-	IsTest             = GetEnvBool("GOPROXY_TEST", false) || strings.HasSuffix(os.Args[0], ".test")
-	IsDebug            = GetEnvBool("GOPROXY_DEBUG", IsTest)
-	IsDebugSkipAuth    = GetEnvBool("GOPROXY_DEBUG_SKIP_AUTH", false)
-	IsTrace            = GetEnvBool("GOPROXY_TRACE", false) && IsDebug
+	prefixes = []string{"GODOXY_", "GOPROXY_", ""}
+
+	IsTest          = GetEnvBool("TEST", false) || strings.HasSuffix(os.Args[0], ".test")
+	IsDebug         = GetEnvBool("DEBUG", IsTest)
+	IsDebugSkipAuth = GetEnvBool("DEBUG_SKIP_AUTH", false)
+	IsTrace         = GetEnvBool("TRACE", false) && IsDebug
+	IsProduction    = !IsTest && !IsDebug
 
 	ProxyHTTPAddr,
 	ProxyHTTPHost,
 	ProxyHTTPPort,
-	ProxyHTTPURL = GetAddrEnv("GOPROXY_HTTP_ADDR", ":80", "http")
+	ProxyHTTPURL = GetAddrEnv("HTTP_ADDR", ":80", "http")
 
 	ProxyHTTPSAddr,
 	ProxyHTTPSHost,
 	ProxyHTTPSPort,
-	ProxyHTTPSURL = GetAddrEnv("GOPROXY_HTTPS_ADDR", ":443", "https")
+	ProxyHTTPSURL = GetAddrEnv("HTTPS_ADDR", ":443", "https")
 
 	APIHTTPAddr,
 	APIHTTPHost,
 	APIHTTPPort,
-	APIHTTPURL = GetAddrEnv("GOPROXY_API_ADDR", "127.0.0.1:8888", "http")
+	APIHTTPURL = GetAddrEnv("API_ADDR", "127.0.0.1:8888", "http")
 
-	APIJWTSecret    = decodeJWTKey(GetEnv("GOPROXY_API_JWT_SECRET", generateJWTKey(32)))
-	APIJWTTokenTTL  = GetDurationEnv("GOPROXY_API_JWT_TOKEN_TTL", time.Hour)
-	APIUser         = GetEnv("GOPROXY_API_USER", "admin")
-	APIPasswordHash = HashPassword(GetEnv("GOPROXY_API_PASSWORD", "password"))
+	MetricsHTTPAddr,
+	MetricsHTTPHost,
+	MetricsHTTPPort,
+	MetricsHTTPURL = GetAddrEnv("PROMETHEUS_ADDR", "", "http")
+	PrometheusEnabled = MetricsHTTPURL != ""
+
+	APIJWTSecret    = decodeJWTKey(GetEnvString("API_JWT_SECRET", ""))
+	APIJWTTokenTTL  = GetDurationEnv("API_JWT_TOKEN_TTL", time.Hour)
+	APIUser         = GetEnvString("API_USER", "admin")
+	APIPasswordHash = HashPassword(GetEnvString("API_PASSWORD", "password"))
 )
 
-func GetEnvBool(key string, defaultValue bool) bool {
-	value, ok := os.LookupEnv(key)
+func GetEnv[T any](key string, defaultValue T, parser func(string) (T, error)) T {
+	var value string
+	var ok bool
+	for _, prefix := range prefixes {
+		value, ok = os.LookupEnv(prefix + key)
+		if ok && value != "" {
+			break
+		}
+	}
 	if !ok || value == "" {
 		return defaultValue
 	}
-	b, err := strconv.ParseBool(value)
-	if err != nil {
-		log.Fatal().Msgf("env %s: invalid boolean value: %s", key, value)
+	parsed, err := parser(value)
+	if err == nil {
+		return parsed
 	}
-	return b
+	log.Fatal().Err(err).Msgf("env %s: invalid %T value: %s", key, parsed, value)
+	return defaultValue
 }
 
-func GetEnv(key, defaultValue string) string {
-	value, ok := os.LookupEnv(key)
-	if !ok || value == "" {
-		value = defaultValue
-	}
-	return value
+func GetEnvString(key string, defaultValue string) string {
+	return GetEnv(key, defaultValue, func(s string) (string, error) {
+		return s, nil
+	})
+}
+
+func GetEnvBool(key string, defaultValue bool) bool {
+	return GetEnv(key, defaultValue, strconv.ParseBool)
 }
 
 func GetAddrEnv(key, defaultValue, scheme string) (addr, host, port, fullURL string) {
-	addr = GetEnv(key, defaultValue)
+	addr = GetEnvString(key, defaultValue)
+	if addr == "" {
+		return
+	}
 	host, port, err := net.SplitHostPort(addr)
 	if err != nil {
 		log.Fatal().Msgf("env %s: invalid address: %s", key, addr)
@@ -73,13 +94,5 @@ func GetAddrEnv(key, defaultValue, scheme string) (addr, host, port, fullURL str
 }
 
 func GetDurationEnv(key string, defaultValue time.Duration) time.Duration {
-	value, ok := os.LookupEnv(key)
-	if !ok || value == "" {
-		return defaultValue
-	}
-	d, err := time.ParseDuration(value)
-	if err != nil {
-		log.Fatal().Msgf("env %s: invalid duration value: %s", key, value)
-	}
-	return d
+	return GetEnv(key, defaultValue, time.ParseDuration)
 }

internal/config/config.go

@@ -3,30 +3,30 @@ package config
 import (
 	"os"
 	"strconv"
+	"strings"
 	"sync"
 	"time"
 
 	"github.com/yusing/go-proxy/internal/autocert"
 	"github.com/yusing/go-proxy/internal/common"
 	"github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/entrypoint"
 	E "github.com/yusing/go-proxy/internal/error"
 	"github.com/yusing/go-proxy/internal/logging"
 	"github.com/yusing/go-proxy/internal/notif"
-	"github.com/yusing/go-proxy/internal/route"
 	proxy "github.com/yusing/go-proxy/internal/route/provider"
 	"github.com/yusing/go-proxy/internal/task"
-	U "github.com/yusing/go-proxy/internal/utils"
+	"github.com/yusing/go-proxy/internal/utils"
 	F "github.com/yusing/go-proxy/internal/utils/functional"
 	"github.com/yusing/go-proxy/internal/watcher"
 	"github.com/yusing/go-proxy/internal/watcher/events"
-	"gopkg.in/yaml.v3"
 )
 
 type Config struct {
 	value            *types.Config
 	providers        F.Map[string, *proxy.Provider]
 	autocertProvider *autocert.Provider
-	task             task.Task
+	task             *task.Task
 }
 
 var (
@@ -53,7 +53,7 @@ func newConfig() *Config {
 	return &Config{
 		value:     types.DefaultConfig(),
 		providers: F.NewMapOf[string, *proxy.Provider](),
-		task:      task.GlobalTask("config"),
+		task:      task.RootTask("config", false),
 	}
 }
 
@@ -67,7 +67,8 @@ func Load() (*Config, E.Error) {
 }
 
 func Validate(data []byte) E.Error {
-	return U.ValidateYaml(U.GetSchema(common.ConfigSchemaPath), data)
+	var model types.Config
+	return utils.DeserializeYAML(data, &model)
 }
 
 func MatchDomains() []string {
@@ -75,21 +76,19 @@ func MatchDomains() []string {
 }
 
 func WatchChanges() {
-	task := task.GlobalTask("Config watcher")
+	t := task.RootTask("config_watcher", true)
 	eventQueue := events.NewEventQueue(
-		task,
+		t,
 		configEventFlushInterval,
 		OnConfigChange,
 		func(err E.Error) {
 			E.LogError("config reload error", err, &logger)
 		},
 	)
-	eventQueue.Start(cfgWatcher.Events(task.Context()))
+	eventQueue.Start(cfgWatcher.Events(t.Context()))
 }
 
-func OnConfigChange(flushTask task.Task, ev []events.Event) {
-	defer flushTask.Finish("config reload complete")
-
+func OnConfigChange(ev []events.Event) {
 	// no matter how many events during the interval
 	// just reload once and check the last event
 	switch ev[len(ev)-1].Action {
@@ -115,14 +114,14 @@ func Reload() E.Error {
 	newCfg := newConfig()
 	err := newCfg.load()
 	if err != nil {
+		newCfg.task.Finish(err)
 		return err
 	}
 
 	// cancel all current subtasks -> wait
 	// -> replace config -> start new subtasks
 	instance.task.Finish("config changed")
-	instance.task.Wait()
-	*instance = *newCfg
+	instance = newCfg
 	instance.StartProxyProviders()
 	return nil
 }
@@ -135,15 +134,14 @@ func GetAutoCertProvider() *autocert.Provider {
 	return instance.autocertProvider
 }
 
-func (cfg *Config) Task() task.Task {
+func (cfg *Config) Task() *task.Task {
 	return cfg.task
 }
 
 func (cfg *Config) StartProxyProviders() {
 	errs := cfg.providers.CollectErrorsParallel(
 		func(_ string, p *proxy.Provider) error {
-			subtask := cfg.task.Subtask(p.String())
-			return p.Start(subtask)
+			return p.Start(cfg.task)
 		})
 
 	if err := E.Join(errs...); err != nil {
@@ -159,36 +157,41 @@ func (cfg *Config) load() E.Error {
 		E.LogFatal(errMsg, err, &logger)
 	}
 
-	if !common.NoSchemaValidation {
-		if err := Validate(data); err != nil {
-			E.LogFatal(errMsg, err, &logger)
-		}
-	}
-
 	model := types.DefaultConfig()
-	if err := E.From(yaml.Unmarshal(data, model)); err != nil {
+	if err := utils.DeserializeYAML(data, model); err != nil {
 		E.LogFatal(errMsg, err, &logger)
 	}
 
 	// errors are non fatal below
 	errs := E.NewBuilder(errMsg)
+	errs.Add(entrypoint.SetMiddlewares(model.Entrypoint.Middlewares))
+	errs.Add(entrypoint.SetAccessLogger(cfg.task, model.Entrypoint.AccessLog))
 	errs.Add(cfg.initNotification(model.Providers.Notification))
-	errs.Add(cfg.initAutoCert(&model.AutoCert))
+	errs.Add(cfg.initAutoCert(model.AutoCert))
 	errs.Add(cfg.loadRouteProviders(&model.Providers))
 
 	cfg.value = model
-	route.SetFindMuxDomains(model.MatchDomains)
+	for i, domain := range model.MatchDomains {
+		if !strings.HasPrefix(domain, ".") {
+			model.MatchDomains[i] = "." + domain
+		}
+	}
+	entrypoint.SetFindRouteDomains(model.MatchDomains)
 	return errs.Error()
 }
 
-func (cfg *Config) initNotification(notifCfgMap types.NotificationConfigMap) (err E.Error) {
-	if len(notifCfgMap) == 0 {
+func (cfg *Config) initNotification(notifCfg []types.NotificationConfig) (err E.Error) {
+	if len(notifCfg) == 0 {
 		return
 	}
+	dispatcher := notif.StartNotifDispatcher(cfg.task)
 	errs := E.NewBuilder("notification providers load errors")
-	for name, notifCfg := range notifCfgMap {
-		_, err := notif.RegisterProvider(cfg.task.Subtask(name), notifCfg)
-		errs.Add(err)
+	for i, notifier := range notifCfg {
+		_, err := dispatcher.RegisterProvider(notifier)
+		if err == nil {
+			continue
+		}
+		errs.Add(err.Subjectf("[%d]", i))
 	}
 	return errs.Error()
 }
@@ -203,9 +206,6 @@ func (cfg *Config) initAutoCert(autocertCfg *types.AutoCertConfig) (err E.Error)
 }
 
 func (cfg *Config) loadRouteProviders(providers *types.Providers) E.Error {
-	subtask := cfg.task.Subtask("load route providers")
-	defer subtask.Finish("done")
-
 	errs := E.NewBuilder("route provider errors")
 	results := E.NewBuilder("loaded route providers")
 

internal/config/query.go

@@ -1,20 +1,19 @@
 package config
 
 import (
-	"fmt"
 	"strings"
 
-	"github.com/yusing/go-proxy/internal/common"
 	"github.com/yusing/go-proxy/internal/homepage"
-	"github.com/yusing/go-proxy/internal/proxy/entry"
-	"github.com/yusing/go-proxy/internal/route"
+	route "github.com/yusing/go-proxy/internal/route"
+	"github.com/yusing/go-proxy/internal/route/entry"
 	proxy "github.com/yusing/go-proxy/internal/route/provider"
-	F "github.com/yusing/go-proxy/internal/utils/functional"
+	"github.com/yusing/go-proxy/internal/route/routes"
+	"github.com/yusing/go-proxy/internal/route/types"
 	"github.com/yusing/go-proxy/internal/utils/strutils"
 )
 
-func DumpEntries() map[string]*entry.RawEntry {
-	entries := make(map[string]*entry.RawEntry)
+func DumpEntries() map[string]*types.RawEntry {
+	entries := make(map[string]*types.RawEntry)
 	instance.providers.RangeAll(func(_ string, p *proxy.Provider) {
 		p.RangeRoutes(func(alias string, r *route.Route) {
 			entries[alias] = r.Entry
@@ -32,20 +31,9 @@ func DumpProviders() map[string]*proxy.Provider {
 }
 
 func HomepageConfig() homepage.Config {
-	var proto, port string
-	domains := instance.value.MatchDomains
-	cert, _ := instance.autocertProvider.GetCert(nil)
-	if cert != nil {
-		proto = "https"
-		port = common.ProxyHTTPSPort
-	} else {
-		proto = "http"
-		port = common.ProxyHTTPPort
-	}
-
 	hpCfg := homepage.NewHomePageConfig()
-	route.GetReverseProxies().RangeAll(func(alias string, r *route.HTTPRoute) {
-		en := r.Raw
+	routes.GetHTTPRoutes().RangeAll(func(alias string, r types.HTTPRoute) {
+		en := r.RawEntry()
 		item := en.Homepage
 		if item == nil {
 			item = new(homepage.Item)
@@ -60,6 +48,8 @@ func HomepageConfig() homepage.Config {
 			return
 		}
 
+		item.Alias = alias
+
 		if item.Name == "" {
 			item.Name = strutils.Title(
 				strings.ReplaceAll(
@@ -69,6 +59,20 @@ func HomepageConfig() homepage.Config {
 			)
 		}
 
+		if instance.value.Homepage.UseDefaultCategories {
+			if en.Container != nil && item.Category == "" {
+				if category, ok := homepage.PredefinedCategories[en.Container.ImageName]; ok {
+					item.Category = category
+				}
+			}
+
+			if item.Category == "" {
+				if category, ok := homepage.PredefinedCategories[strings.ToLower(alias)]; ok {
+					item.Category = category
+				}
+			}
+		}
+
 		switch {
 		case entry.IsDocker(r):
 			if item.Category == "" {
@@ -87,36 +91,30 @@ func HomepageConfig() homepage.Config {
 			item.SourceType = string(proxy.ProviderTypeFile)
 		}
 
-		if item.URL == "" {
-			if len(domains) > 0 {
-				item.URL = fmt.Sprintf("%s://%s.%s:%s", proto, strings.ToLower(alias), domains[0], port)
-			}
-		}
 		item.AltURL = r.TargetURL().String()
-
 		hpCfg.Add(item)
 	})
 	return hpCfg
 }
 
 func RoutesByAlias(typeFilter ...route.RouteType) map[string]any {
-	routes := make(map[string]any)
+	rts := make(map[string]any)
 	if len(typeFilter) == 0 || typeFilter[0] == "" {
 		typeFilter = []route.RouteType{route.RouteTypeReverseProxy, route.RouteTypeStream}
 	}
 	for _, t := range typeFilter {
 		switch t {
 		case route.RouteTypeReverseProxy:
-			route.GetReverseProxies().RangeAll(func(alias string, r *route.HTTPRoute) {
-				routes[alias] = r
+			routes.GetHTTPRoutes().RangeAll(func(alias string, r types.HTTPRoute) {
+				rts[alias] = r
 			})
 		case route.RouteTypeStream:
-			route.GetStreamProxies().RangeAll(func(alias string, r *route.StreamRoute) {
-				routes[alias] = r
+			routes.GetStreamRoutes().RangeAll(func(alias string, r types.StreamRoute) {
+				rts[alias] = r
 			})
 		}
 	}
-	return routes
+	return rts
 }
 
 func Statistics() map[string]any {
@@ -125,13 +123,12 @@ func Statistics() map[string]any {
 	providerStats := make(map[string]proxy.ProviderStats)
 
 	instance.providers.RangeAll(func(name string, p *proxy.Provider) {
-		providerStats[name] = p.Statistics()
-	})
+		stats := p.Statistics()
+		providerStats[name] = stats
 
-	for _, stats := range providerStats {
 		nTotalRPs += stats.NumRPs
 		nTotalStreams += stats.NumStreams
-	}
+	})
 
 	return map[string]any{
 		"num_total_streams":         nTotalStreams,
@@ -139,14 +136,3 @@ func Statistics() map[string]any {
 		"providers":                 providerStats,
 	}
 }
-
-func FindRoute(alias string) *route.Route {
-	return F.MapFind(instance.providers,
-		func(p *proxy.Provider) (*route.Route, bool) {
-			if route, ok := p.GetRoute(alias); ok {
-				return route, true
-			}
-			return nil, false
-		},
-	)
-}

internal/config/types/autocert_config.go

@@ -2,12 +2,13 @@ package types
 
 type (
 	AutoCertConfig struct {
-		Email    string              `json:"email,omitempty" yaml:"email"`
-		Domains  []string            `json:"domains,omitempty" yaml:",flow"`
-		CertPath string              `json:"cert_path,omitempty" yaml:"cert_path"`
-		KeyPath  string              `json:"key_path,omitempty" yaml:"key_path"`
-		Provider string              `json:"provider,omitempty" yaml:"provider"`
-		Options  AutocertProviderOpt `json:"options,omitempty" yaml:",flow"`
+		Email       string              `json:"email,omitempty" validate:"email"`
+		Domains     []string            `json:"domains,omitempty"`
+		CertPath    string              `json:"cert_path,omitempty" validate:"omitempty,filepath"`
+		KeyPath     string              `json:"key_path,omitempty" validate:"omitempty,filepath"`
+		ACMEKeyPath string              `json:"acme_key_path,omitempty" validate:"omitempty,filepath"`
+		Provider    string              `json:"provider,omitempty"`
+		Options     AutocertProviderOpt `json:"options,omitempty"`
 	}
 	AutocertProviderOpt map[string]any
 )

internal/config/types/config.go

@@ -1,25 +1,40 @@
 package types
 
+import (
+	"github.com/yusing/go-proxy/internal/net/http/accesslog"
+	"github.com/yusing/go-proxy/internal/utils"
+)
+
 type (
 	Config struct {
-		Providers       Providers      `json:"providers" yaml:",flow"`
-		AutoCert        AutoCertConfig `json:"autocert" yaml:",flow"`
-		ExplicitOnly    bool           `json:"explicit_only" yaml:"explicit_only"`
-		MatchDomains    []string       `json:"match_domains" yaml:"match_domains"`
-		TimeoutShutdown int            `json:"timeout_shutdown" yaml:"timeout_shutdown"`
-		RedirectToHTTPS bool           `json:"redirect_to_https" yaml:"redirect_to_https"`
+		AutoCert        *AutoCertConfig `json:"autocert" validate:"omitempty"`
+		Entrypoint      Entrypoint      `json:"entrypoint"`
+		Providers       Providers       `json:"providers"`
+		MatchDomains    []string        `json:"match_domains" validate:"dive,fqdn"`
+		Homepage        HomepageConfig  `json:"homepage"`
+		TimeoutShutdown int             `json:"timeout_shutdown" validate:"gte=0"`
 	}
 	Providers struct {
-		Files        []string              `json:"include" yaml:"include"`
-		Docker       map[string]string     `json:"docker" yaml:"docker"`
-		Notification NotificationConfigMap `json:"notification" yaml:"notification"`
+		Files        []string             `json:"include" validate:"dive,filepath"`
+		Docker       map[string]string    `json:"docker" validate:"dive,unix_addr|url"`
+		Notification []NotificationConfig `json:"notification"`
 	}
+	Entrypoint struct {
+		Middlewares []map[string]any  `json:"middlewares"`
+		AccessLog   *accesslog.Config `json:"access_log" validate:"omitempty"`
+	}
+	NotificationConfig map[string]any
 )
 
 func DefaultConfig() *Config {
 	return &Config{
-		Providers:       Providers{},
 		TimeoutShutdown: 3,
-		RedirectToHTTPS: false,
+		Homepage: HomepageConfig{
+			UseDefaultCategories: true,
+		},
 	}
 }
+
+func init() {
+	utils.RegisterDefaultValueFactory(DefaultConfig)
+}

internal/config/types/homepage_config.go

@@ -0,0 +1,5 @@
+package types
+
+type HomepageConfig struct {
+	UseDefaultCategories bool `json:"use_default_categories"`
+}

internal/config/types/notif_config.go

@@ -1,5 +0,0 @@
-package types
-
-import "github.com/yusing/go-proxy/internal/notif"
-
-type NotificationConfigMap map[string]notif.ProviderConfig

internal/docker/client.go

@@ -16,7 +16,6 @@ import (
 )
 
 type (
-	Client       = *SharedClient
 	SharedClient struct {
 		*client.Client
 
@@ -28,7 +27,7 @@ type (
 )
 
 var (
-	clientMap   F.Map[string, Client] = F.NewMapOf[string, Client]()
+	clientMap   F.Map[string, *SharedClient] = F.NewMapOf[string, *SharedClient]()
 	clientMapMu sync.Mutex
 
 	clientOptEnvHost = []client.Opt{
@@ -38,8 +37,8 @@ var (
 )
 
 func init() {
-	task.GlobalTask("close docker clients").OnFinished("", func() {
-		clientMap.RangeAllParallel(func(_ string, c Client) {
+	task.OnProgramExit("docker_clients_cleanup", func() {
+		clientMap.RangeAllParallel(func(_ string, c *SharedClient) {
 			if c.Connected() {
 				c.Client.Close()
 			}
@@ -68,7 +67,7 @@ func (c *SharedClient) Close() {
 // Returns:
 //   - Client: the Docker client connection.
 //   - error: an error if the connection failed.
-func ConnectClient(host string) (Client, error) {
+func ConnectClient(host string) (*SharedClient, error) {
 	clientMapMu.Lock()
 	defer clientMapMu.Unlock()
 

internal/docker/container.go

@@ -15,29 +15,29 @@ type (
 	Container   struct {
 		_ U.NoCopy
 
-		DockerHost    string `json:"docker_host" yaml:"-"`
-		ContainerName string `json:"container_name" yaml:"-"`
-		ContainerID   string `json:"container_id" yaml:"-"`
-		ImageName     string `json:"image_name" yaml:"-"`
+		DockerHost    string `json:"docker_host"`
+		ContainerName string `json:"container_name"`
+		ContainerID   string `json:"container_id"`
+		ImageName     string `json:"image_name"`
 
-		Labels map[string]string `json:"labels" yaml:"-"`
+		Labels map[string]string `json:"-"`
 
-		PublicPortMapping  PortMapping `json:"public_ports" yaml:"-"`  // non-zero publicPort:types.Port
-		PrivatePortMapping PortMapping `json:"private_ports" yaml:"-"` // privatePort:types.Port
-		PublicIP           string      `json:"public_ip" yaml:"-"`
-		PrivateIP          string      `json:"private_ip" yaml:"-"`
-		NetworkMode        string      `json:"network_mode" yaml:"-"`
+		PublicPortMapping  PortMapping `json:"public_ports"`  // non-zero publicPort:types.Port
+		PrivatePortMapping PortMapping `json:"private_ports"` // privatePort:types.Port
+		PublicIP           string      `json:"public_ip"`
+		PrivateIP          string      `json:"private_ip"`
+		NetworkMode        string      `json:"network_mode"`
 
-		Aliases     []string `json:"aliases" yaml:"-"`
-		IsExcluded  bool     `json:"is_excluded" yaml:"-"`
-		IsExplicit  bool     `json:"is_explicit" yaml:"-"`
-		IsDatabase  bool     `json:"is_database" yaml:"-"`
-		IdleTimeout string   `json:"idle_timeout,omitempty" yaml:"-"`
-		WakeTimeout string   `json:"wake_timeout,omitempty" yaml:"-"`
-		StopMethod  string   `json:"stop_method,omitempty" yaml:"-"`
-		StopTimeout string   `json:"stop_timeout,omitempty" yaml:"-"` // stop_method = "stop" only
-		StopSignal  string   `json:"stop_signal,omitempty" yaml:"-"`  // stop_method = "stop" | "kill" only
-		Running     bool     `json:"running" yaml:"-"`
+		Aliases     []string `json:"aliases"`
+		IsExcluded  bool     `json:"is_excluded"`
+		IsExplicit  bool     `json:"is_explicit"`
+		IsDatabase  bool     `json:"is_database"`
+		IdleTimeout string   `json:"idle_timeout,omitempty"`
+		WakeTimeout string   `json:"wake_timeout,omitempty"`
+		StopMethod  string   `json:"stop_method,omitempty"`
+		StopTimeout string   `json:"stop_timeout,omitempty"` // stop_method = "stop" only
+		StopSignal  string   `json:"stop_signal,omitempty"`  // stop_method = "stop" | "kill" only
+		Running     bool     `json:"running"`
 	}
 )
 

internal/docker/container_helper.go

@@ -33,8 +33,8 @@ func (c containerHelper) getName() string {
 }
 
 func (c containerHelper) getImageName() string {
-	colonSep := strings.Split(c.Image, ":")
-	slashSep := strings.Split(colonSep[0], "/")
+	colonSep := strutils.SplitRune(c.Image, ':')
+	slashSep := strutils.SplitRune(colonSep[0], '/')
 	return slashSep[len(slashSep)-1]
 }
 

internal/docker/idlewatcher/types/config.go

@@ -31,6 +31,12 @@ const (
 	StopMethodKill  StopMethod = "kill"
 )
 
+var validSignals = map[string]struct{}{
+	"":       {},
+	"SIGINT": {}, "SIGTERM": {}, "SIGHUP": {}, "SIGQUIT": {},
+	"INT": {}, "TERM": {}, "HUP": {}, "QUIT": {},
+}
+
 func ValidateConfig(cont *docker.Container) (*Config, E.Error) {
 	if cont == nil {
 		return nil, nil
@@ -83,12 +89,9 @@ func validateDurationPostitive(value string) (time.Duration, error) {
 }
 
 func validateSignal(s string) (Signal, error) {
-	switch s {
-	case "", "SIGINT", "SIGTERM", "SIGHUP", "SIGQUIT",
-		"INT", "TERM", "HUP", "QUIT":
+	if _, ok := validSignals[s]; ok {
 		return Signal(s), nil
 	}
-
 	return "", errors.New("invalid signal " + s)
 }
 

internal/docker/idlewatcher/types/waker.go

@@ -11,4 +11,5 @@ type Waker interface {
 	health.HealthMonitor
 	http.Handler
 	net.Stream
+	Wake() error
 }

internal/docker/idlewatcher/waker.go

@@ -4,25 +4,32 @@ import (
 	"sync/atomic"
 	"time"
 
-	. "github.com/yusing/go-proxy/internal/docker/idlewatcher/types"
+	"github.com/yusing/go-proxy/internal/common"
+	"github.com/yusing/go-proxy/internal/docker/idlewatcher/types"
 	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/metrics"
 	gphttp "github.com/yusing/go-proxy/internal/net/http"
 	net "github.com/yusing/go-proxy/internal/net/types"
-	"github.com/yusing/go-proxy/internal/proxy/entry"
+	route "github.com/yusing/go-proxy/internal/route/types"
 	"github.com/yusing/go-proxy/internal/task"
 	U "github.com/yusing/go-proxy/internal/utils"
 	"github.com/yusing/go-proxy/internal/watcher/health"
+	"github.com/yusing/go-proxy/internal/watcher/health/monitor"
 )
 
-type waker struct {
-	_ U.NoCopy
+type (
+	Waker = types.Waker
+	waker struct {
+		_ U.NoCopy
 
-	rp     *gphttp.ReverseProxy
-	stream net.Stream
-	hc     health.HealthChecker
+		rp     *gphttp.ReverseProxy
+		stream net.Stream
+		hc     health.HealthChecker
+		metric *metrics.Gauge
 
-	ready atomic.Bool
-}
+		ready atomic.Bool
+	}
+)
 
 const (
 	idleWakerCheckInterval = 100 * time.Millisecond
@@ -31,49 +38,63 @@ const (
 
 // TODO: support stream
 
-func newWaker(providerSubTask task.Task, entry entry.Entry, rp *gphttp.ReverseProxy, stream net.Stream) (Waker, E.Error) {
-	hcCfg := entry.HealthCheckConfig()
+func newWaker(parent task.Parent, entry route.Entry, rp *gphttp.ReverseProxy, stream net.Stream) (Waker, E.Error) {
+	hcCfg := entry.RawEntry().HealthCheck
 	hcCfg.Timeout = idleWakerCheckTimeout
 
 	waker := &waker{
 		rp:     rp,
 		stream: stream,
 	}
-
-	watcher, err := registerWatcher(providerSubTask, entry, waker)
+	task := parent.Subtask("idlewatcher." + entry.TargetName())
+	watcher, err := registerWatcher(task, entry, waker)
 	if err != nil {
 		return nil, E.Errorf("register watcher: %w", err)
 	}
 
 	switch {
 	case rp != nil:
-		waker.hc = health.NewHTTPHealthChecker(entry.TargetURL(), hcCfg, rp.Transport)
+		waker.hc = monitor.NewHTTPHealthChecker(entry.TargetURL(), hcCfg)
 	case stream != nil:
-		waker.hc = health.NewRawHealthChecker(entry.TargetURL(), hcCfg)
+		waker.hc = monitor.NewRawHealthChecker(entry.TargetURL(), hcCfg)
 	default:
 		panic("both nil")
 	}
+
+	if common.PrometheusEnabled {
+		m := metrics.GetServiceMetrics()
+		fqn := parent.Name() + "/" + entry.TargetName()
+		waker.metric = m.HealthStatus.With(metrics.HealthMetricLabels(fqn))
+		waker.metric.Set(float64(watcher.Status()))
+	}
 	return watcher, nil
 }
 
 // lifetime should follow route provider.
-func NewHTTPWaker(providerSubTask task.Task, entry entry.Entry, rp *gphttp.ReverseProxy) (Waker, E.Error) {
-	return newWaker(providerSubTask, entry, rp, nil)
+func NewHTTPWaker(parent task.Parent, entry route.Entry, rp *gphttp.ReverseProxy) (Waker, E.Error) {
+	return newWaker(parent, entry, rp, nil)
 }
 
-func NewStreamWaker(providerSubTask task.Task, entry entry.Entry, stream net.Stream) (Waker, E.Error) {
-	return newWaker(providerSubTask, entry, nil, stream)
+func NewStreamWaker(parent task.Parent, entry route.Entry, stream net.Stream) (Waker, E.Error) {
+	return newWaker(parent, entry, nil, stream)
 }
 
 // Start implements health.HealthMonitor.
-func (w *Watcher) Start(routeSubTask task.Task) E.Error {
-	routeSubTask.Finish("ignored")
-	w.task.OnCancel("stop route", func() {
-		routeSubTask.Parent().Finish(w.task.FinishCause())
+func (w *Watcher) Start(parent task.Parent) E.Error {
+	w.task.OnCancel("route_cleanup", func() {
+		parent.Finish(w.task.FinishCause())
+		if w.metric != nil {
+			w.metric.Reset()
+		}
 	})
 	return nil
 }
 
+// Task implements health.HealthMonitor.
+func (w *Watcher) Task() *task.Task {
+	return w.task
+}
+
 // Finish implements health.HealthMonitor.
 func (w *Watcher) Finish(reason any) {
 	if w.stream != nil {
@@ -98,6 +119,14 @@ func (w *Watcher) Uptime() time.Duration {
 
 // Status implements health.HealthMonitor.
 func (w *Watcher) Status() health.Status {
+	status := w.getStatusUpdateReady()
+	if w.metric != nil {
+		w.metric.Set(float64(status))
+	}
+	return status
+}
+
+func (w *Watcher) getStatusUpdateReady() health.Status {
 	if !w.ContainerRunning {
 		return health.StatusNapping
 	}
@@ -106,12 +135,12 @@ func (w *Watcher) Status() health.Status {
 		return health.StatusHealthy
 	}
 
-	healthy, _, err := w.hc.CheckHealth()
+	result, err := w.hc.CheckHealth()
 	switch {
 	case err != nil:
 		w.ready.Store(false)
 		return health.StatusError
-	case healthy:
+	case result.Healthy:
 		w.ready.Store(true)
 		return health.StatusHealthy
 	default:
@@ -125,7 +154,7 @@ func (w *Watcher) MarshalJSON() ([]byte, error) {
 	if w.hc.URL().Port() != "0" {
 		url = w.hc.URL()
 	}
-	return (&health.JSONRepresentation{
+	return (&monitor.JSONRepresentation{
 		Name:   w.Name(),
 		Status: w.Status(),
 		Config: w.hc.Config(),

internal/docker/idlewatcher/watcher.go

@@ -12,7 +12,7 @@ import (
 	idlewatcher "github.com/yusing/go-proxy/internal/docker/idlewatcher/types"
 	E "github.com/yusing/go-proxy/internal/error"
 	"github.com/yusing/go-proxy/internal/logging"
-	"github.com/yusing/go-proxy/internal/proxy/entry"
+	route "github.com/yusing/go-proxy/internal/route/types"
 	"github.com/yusing/go-proxy/internal/task"
 	U "github.com/yusing/go-proxy/internal/utils"
 	F "github.com/yusing/go-proxy/internal/utils/functional"
@@ -29,10 +29,10 @@ type (
 		*idlewatcher.Config
 		*waker
 
-		client       D.Client
+		client       *D.SharedClient
 		stopByMethod StopCallback // send a docker command w.r.t. `stop_method`
 		ticker       *time.Ticker
-		task         task.Task
+		task         *task.Task
 	}
 
 	WakeDone     <-chan error
@@ -44,16 +44,18 @@ var (
 	watcherMap   = F.NewMapOf[string, *Watcher]()
 	watcherMapMu sync.Mutex
 
+	errShouldNotReachHere = errors.New("should not reach here")
+
 	logger = logging.With().Str("module", "idle_watcher").Logger()
 )
 
 const dockerReqTimeout = 3 * time.Second
 
-func registerWatcher(providerSubtask task.Task, entry entry.Entry, waker *waker) (*Watcher, error) {
+func registerWatcher(watcherTask *task.Task, entry route.Entry, waker *waker) (*Watcher, error) {
 	cfg := entry.IdlewatcherConfig()
 
 	if cfg.IdleTimeout == 0 {
-		panic("should not reach here")
+		panic(errShouldNotReachHere)
 	}
 
 	watcherMapMu.Lock()
@@ -65,7 +67,7 @@ func registerWatcher(providerSubtask task.Task, entry entry.Entry, waker *waker)
 		w.Config = cfg
 		w.waker = waker
 		w.resetIdleTimer()
-		providerSubtask.Finish("used existing watcher")
+		watcherTask.Finish("used existing watcher")
 		return w, nil
 	}
 
@@ -79,7 +81,7 @@ func registerWatcher(providerSubtask task.Task, entry entry.Entry, waker *waker)
 		Config: cfg,
 		waker:  waker,
 		client: client,
-		task:   providerSubtask,
+		task:   watcherTask,
 		ticker: time.NewTicker(cfg.IdleTimeout),
 	}
 	w.stopByMethod = w.getStopCallback()
@@ -98,12 +100,18 @@ func registerWatcher(providerSubtask task.Task, entry entry.Entry, waker *waker)
 	return w, nil
 }
 
+func (w *Watcher) Wake() error {
+	return w.wakeIfStopped()
+}
+
 // WakeDebug logs a debug message related to waking the container.
 func (w *Watcher) WakeDebug() *zerolog.Event {
+	//nolint:zerologlint
 	return w.Debug().Str("action", "wake")
 }
 
 func (w *Watcher) WakeTrace() *zerolog.Event {
+	//nolint:zerologlint
 	return w.Trace().Str("action", "wake")
 }
 
@@ -173,7 +181,7 @@ func (w *Watcher) wakeIfStopped() error {
 	case "running":
 		return nil
 	default:
-		panic("should not reach here")
+		panic(errShouldNotReachHere)
 	}
 }
 
@@ -187,7 +195,7 @@ func (w *Watcher) getStopCallback() StopCallback {
 	case idlewatcher.StopMethodKill:
 		cb = w.containerKill
 	default:
-		panic("should not reach here")
+		panic(errShouldNotReachHere)
 	}
 	return func() error {
 		ctx, cancel := context.WithTimeout(w.task.Context(), time.Duration(w.StopTimeout)*time.Second)
@@ -201,9 +209,8 @@ func (w *Watcher) resetIdleTimer() {
 	w.ticker.Reset(w.IdleTimeout)
 }
 
-func (w *Watcher) getEventCh(dockerWatcher watcher.DockerWatcher) (eventTask task.Task, eventCh <-chan events.Event, errCh <-chan E.Error) {
-	eventTask = w.task.Subtask("docker event watcher")
-	eventCh, errCh = dockerWatcher.EventsWithOptions(eventTask.Context(), watcher.DockerListOptions{
+func (w *Watcher) getEventCh(dockerWatcher watcher.DockerWatcher) (eventCh <-chan events.Event, errCh <-chan E.Error) {
+	eventCh, errCh = dockerWatcher.EventsWithOptions(w.Task().Context(), watcher.DockerListOptions{
 		Filters: watcher.NewDockerFilter(
 			watcher.DockerFilterContainer,
 			watcher.DockerFilterContainerNameID(w.ContainerID),
@@ -232,8 +239,7 @@ func (w *Watcher) getEventCh(dockerWatcher watcher.DockerWatcher) (eventTask tas
 // errors occurred on docker client, or route provider died (mainly caused by config reload).
 func (w *Watcher) watchUntilDestroy() (returnCause error) {
 	dockerWatcher := watcher.NewDockerWatcherWithClient(w.client)
-	eventTask, dockerEventCh, dockerEventErrCh := w.getEventCh(dockerWatcher)
-	defer eventTask.Finish("stopped")
+	dockerEventCh, dockerEventErrCh := w.getEventCh(dockerWatcher)
 
 	for {
 		select {
@@ -272,8 +278,7 @@ func (w *Watcher) watchUntilDestroy() (returnCause error) {
 				w.Debug().Msgf("id changed %s -> %s", w.ContainerID, e.ActorID)
 				w.ContainerID = e.ActorID
 				// recreate event stream
-				eventTask.Finish("recreate event stream")
-				eventTask, dockerEventCh, dockerEventErrCh = w.getEventCh(dockerWatcher)
+				dockerEventCh, dockerEventErrCh = w.getEventCh(dockerWatcher)
 			}
 		case <-w.ticker.C:
 			w.ticker.Stop()

internal/docker/inspect.go

@@ -8,16 +8,15 @@ import (
 
 func Inspect(dockerHost string, containerID string) (*Container, error) {
 	client, err := ConnectClient(dockerHost)
-	defer client.Close()
-
 	if err != nil {
 		return nil, err
 	}
 
+	defer client.Close()
 	return client.Inspect(containerID)
 }
 
-func (c Client) Inspect(containerID string) (*Container, error) {
+func (c *SharedClient) Inspect(containerID string) (*Container, error) {
 	ctx, cancel := context.WithTimeoutCause(context.Background(), 3*time.Second, errors.New("docker container inspect timeout"))
 	defer cancel()
 

internal/docker/label.go

@@ -1,125 +1,52 @@
 package docker
 
 import (
-	"reflect"
-	"strings"
-
 	E "github.com/yusing/go-proxy/internal/error"
-	U "github.com/yusing/go-proxy/internal/utils"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
 )
 
-/*
-Formats:
-  - namespace.attribute
-  - namespace.target.attribute
-  - namespace.target.attribute.namespace2.attribute
-*/
-type (
-	Label struct {
-		Namespace string
-		Target    string
-		Attribute string
-		Value     any
-	}
-	NestedLabelMap map[string]U.SerializedObject
-)
+type LabelMap = map[string]any
 
-var (
-	ErrApplyToNil    = E.New("label value is nil")
-	ErrFieldNotExist = E.New("field does not exist")
-)
+var ErrInvalidLabel = E.New("invalid label")
 
-func (l *Label) String() string {
-	if l.Attribute == "" {
-		return l.Namespace + "." + l.Target
-	}
-	return l.Namespace + "." + l.Target + "." + l.Attribute
-}
+func ParseLabels(labels map[string]string) (LabelMap, E.Error) {
+	nestedMap := make(LabelMap)
+	errs := E.NewBuilder("labels error")
 
-// Apply applies the value of a Label to the corresponding field in the given object.
-//
-// Parameters:
-//   - obj: a pointer to the object to which the Label value will be applied.
-//   - l: a pointer to the Label containing the attribute and value to be applied.
-//
-// Returns:
-//   - error: an error if the field does not exist.
-func ApplyLabel[T any](obj *T, l *Label) E.Error {
-	if obj == nil {
-		return ErrApplyToNil.Subject(l.String())
-	}
-	switch nestedLabel := l.Value.(type) {
-	case *Label:
-		var field reflect.Value
-		objType := reflect.TypeFor[T]()
-		for i := range reflect.TypeFor[T]().NumField() {
-			if objType.Field(i).Tag.Get("yaml") == l.Attribute {
-				field = reflect.ValueOf(obj).Elem().Field(i)
-				break
-			}
+	for lbl, value := range labels {
+		parts := strutils.SplitRune(lbl, '.')
+		if parts[0] != NSProxy {
+			continue
 		}
-		if !field.IsValid() {
-			return ErrFieldNotExist.Subject(l.Attribute).Subject(l.String())
+		if len(parts) == 1 {
+			errs.Add(ErrInvalidLabel.Subject(lbl))
+			continue
 		}
-		dst, ok := field.Interface().(NestedLabelMap)
-		if !ok {
-			if field.Kind() == reflect.Ptr {
-				if field.IsNil() {
-					field.Set(reflect.New(field.Type().Elem()))
-				}
+		parts = parts[1:]
+		currentMap := nestedMap
+
+		for i, k := range parts {
+			if i == len(parts)-1 {
+				// Last element, set the value
+				currentMap[k] = value
 			} else {
-				field = field.Addr()
+				// If the key doesn't exist, create a new map
+				if _, exists := currentMap[k]; !exists {
+					currentMap[k] = make(LabelMap)
+				}
+				// Move deeper into the nested map
+				m, ok := currentMap[k].(LabelMap)
+				if !ok && currentMap[k] != "" {
+					errs.Add(E.Errorf("expect mapping, got %T", currentMap[k]).Subject(lbl))
+					continue
+				} else if !ok {
+					m = make(LabelMap)
+					currentMap[k] = m
+				}
+				currentMap = m
 			}
-			err := U.Deserialize(U.SerializedObject{nestedLabel.Namespace: nestedLabel.Value}, field.Interface())
-			if err != nil {
-				return err.Subject(l.String())
-			}
-			return nil
 		}
-		if dst == nil {
-			field.Set(reflect.MakeMap(reflect.TypeFor[NestedLabelMap]()))
-			dst = field.Interface().(NestedLabelMap)
-		}
-		if dst[nestedLabel.Namespace] == nil {
-			dst[nestedLabel.Namespace] = make(U.SerializedObject)
-		}
-		dst[nestedLabel.Namespace][nestedLabel.Attribute] = nestedLabel.Value
-		return nil
-	default:
-		err := U.Deserialize(U.SerializedObject{l.Attribute: l.Value}, obj)
-		if err != nil {
-			return err.Subject(l.String())
-		}
-		return nil
 	}
-}
-
-func ParseLabel(label string, value string) *Label {
-	parts := strings.Split(label, ".")
-
-	if len(parts) < 2 {
-		return &Label{
-			Namespace: label,
-			Value:     value,
-		}
-	}
-
-	l := &Label{
-		Namespace: parts[0],
-		Target:    parts[1],
-		Value:     value,
-	}
-
-	switch len(parts) {
-	case 2:
-		l.Attribute = l.Target
-	case 3:
-		l.Attribute = parts[2]
-	default:
-		l.Attribute = parts[2]
-		nestedLabel := ParseLabel(strings.Join(parts[3:], "."), value)
-		l.Value = nestedLabel
-	}
-
-	return l
+
+	return nestedMap, errs.Error()
 }

internal/docker/label_test.go

@@ -1,79 +0,0 @@
-package docker
-
-import (
-	"fmt"
-	"testing"
-
-	U "github.com/yusing/go-proxy/internal/utils"
-	. "github.com/yusing/go-proxy/internal/utils/testing"
-)
-
-const (
-	mName = "middleware1"
-	mAttr = "prop1"
-	v     = "value1"
-)
-
-func makeLabel(ns, name, attr string) string {
-	return fmt.Sprintf("%s.%s.%s", ns, name, attr)
-}
-
-func TestNestedLabel(t *testing.T) {
-	mAttr := "prop1"
-	lbl := ParseLabel(makeLabel(NSProxy, "foo", makeLabel("middlewares", mName, mAttr)), v)
-	sGot := ExpectType[*Label](t, lbl.Value)
-	ExpectFalse(t, sGot == nil)
-	ExpectEqual(t, sGot.Namespace, mName)
-	ExpectEqual(t, sGot.Attribute, mAttr)
-}
-
-func TestApplyNestedLabel(t *testing.T) {
-	entry := new(struct {
-		Middlewares NestedLabelMap `yaml:"middlewares"`
-	})
-	lbl := ParseLabel(makeLabel(NSProxy, "foo", makeLabel("middlewares", mName, mAttr)), v)
-	err := ApplyLabel(entry, lbl)
-	ExpectNoError(t, err)
-	middleware1, ok := entry.Middlewares[mName]
-	ExpectTrue(t, ok)
-	got := ExpectType[string](t, middleware1[mAttr])
-	ExpectEqual(t, got, v)
-}
-
-func TestApplyNestedLabelExisting(t *testing.T) {
-	checkAttr := "prop2"
-	checkV := "value2"
-	entry := new(struct {
-		Middlewares NestedLabelMap `yaml:"middlewares"`
-	})
-	entry.Middlewares = make(NestedLabelMap)
-	entry.Middlewares[mName] = make(U.SerializedObject)
-	entry.Middlewares[mName][checkAttr] = checkV
-
-	lbl := ParseLabel(makeLabel(NSProxy, "foo", makeLabel("middlewares", mName, mAttr)), v)
-	err := ApplyLabel(entry, lbl)
-	ExpectNoError(t, err)
-	middleware1, ok := entry.Middlewares[mName]
-	ExpectTrue(t, ok)
-	got := ExpectType[string](t, middleware1[mAttr])
-	ExpectEqual(t, got, v)
-
-	// check if prop2 is affected
-	ExpectFalse(t, middleware1[checkAttr] == nil)
-	got = ExpectType[string](t, middleware1[checkAttr])
-	ExpectEqual(t, got, checkV)
-}
-
-func TestApplyNestedLabelNoAttr(t *testing.T) {
-	entry := new(struct {
-		Middlewares NestedLabelMap `yaml:"middlewares"`
-	})
-	entry.Middlewares = make(NestedLabelMap)
-	entry.Middlewares[mName] = make(U.SerializedObject)
-
-	lbl := ParseLabel(makeLabel(NSProxy, "foo", fmt.Sprintf("%s.%s", "middlewares", mName)), v)
-	err := ApplyLabel(entry, lbl)
-	ExpectNoError(t, err)
-	_, ok := entry.Middlewares[mName]
-	ExpectTrue(t, ok)
-}

internal/docker/labels.go

@@ -3,8 +3,7 @@ package docker
 const (
 	WildcardAlias = "*"
 
-	NSProxy    = "proxy"
-	NSHomePage = "homepage"
+	NSProxy = "proxy"
 
 	LabelAliases     = NSProxy + ".aliases"
 	LabelExclude     = NSProxy + ".exclude"

internal/entrypoint/entrypoint.go

@@ -0,0 +1,148 @@
+package entrypoint
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"strings"
+	"sync"
+
+	gphttp "github.com/yusing/go-proxy/internal/net/http"
+	"github.com/yusing/go-proxy/internal/net/http/accesslog"
+	"github.com/yusing/go-proxy/internal/net/http/middleware"
+	"github.com/yusing/go-proxy/internal/net/http/middleware/errorpage"
+	"github.com/yusing/go-proxy/internal/route/routes"
+	route "github.com/yusing/go-proxy/internal/route/types"
+	"github.com/yusing/go-proxy/internal/task"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+)
+
+var findRouteFunc = findRouteAnyDomain
+
+var (
+	epMiddleware   *middleware.Middleware
+	epMiddlewareMu sync.Mutex
+
+	epAccessLogger   *accesslog.AccessLogger
+	epAccessLoggerMu sync.Mutex
+)
+
+var ErrNoSuchRoute = errors.New("no such route")
+
+func SetFindRouteDomains(domains []string) {
+	if len(domains) == 0 {
+		findRouteFunc = findRouteAnyDomain
+	} else {
+		findRouteFunc = findRouteByDomains(domains)
+	}
+}
+
+func SetMiddlewares(mws []map[string]any) error {
+	epMiddlewareMu.Lock()
+	defer epMiddlewareMu.Unlock()
+
+	if len(mws) == 0 {
+		epMiddleware = nil
+		return nil
+	}
+
+	mid, err := middleware.BuildMiddlewareFromChainRaw("entrypoint", mws)
+	if err != nil {
+		return err
+	}
+	epMiddleware = mid
+
+	logger.Debug().Msg("entrypoint middleware loaded")
+	return nil
+}
+
+func SetAccessLogger(parent task.Parent, cfg *accesslog.Config) (err error) {
+	epAccessLoggerMu.Lock()
+	defer epAccessLoggerMu.Unlock()
+
+	if cfg == nil {
+		epAccessLogger = nil
+		return
+	}
+
+	epAccessLogger, err = accesslog.NewFileAccessLogger(parent, cfg)
+	if err != nil {
+		return
+	}
+	logger.Debug().Msg("entrypoint access logger created")
+	return
+}
+
+func Handler(w http.ResponseWriter, r *http.Request) {
+	mux, err := findRouteFunc(r.Host)
+	if err == nil {
+		if epAccessLogger != nil {
+			epMiddlewareMu.Lock()
+			if epAccessLogger != nil {
+				w = gphttp.NewModifyResponseWriter(w, r, func(resp *http.Response) error {
+					epAccessLogger.Log(r, resp)
+					return nil
+				})
+			}
+			epMiddlewareMu.Unlock()
+		}
+		if epMiddleware != nil {
+			epMiddlewareMu.Lock()
+			if epMiddleware != nil {
+				mid := epMiddleware
+				epMiddlewareMu.Unlock()
+				mid.ServeHTTP(mux.ServeHTTP, w, r)
+				return
+			}
+			epMiddlewareMu.Unlock()
+		}
+		mux.ServeHTTP(w, r)
+		return
+	}
+	// Why use StatusNotFound instead of StatusBadRequest or StatusBadGateway?
+	// On nginx, when route for domain does not exist, it returns StatusBadGateway.
+	// Then scraper / scanners will know the subdomain is invalid.
+	// With StatusNotFound, they won't know whether it's the path, or the subdomain that is invalid.
+	if served := middleware.ServeStaticErrorPageFile(w, r); !served {
+		logger.Err(err).Str("method", r.Method).Str("url", r.URL.String()).Msg("request")
+		errorPage, ok := errorpage.GetErrorPageByStatus(http.StatusNotFound)
+		if ok {
+			w.WriteHeader(http.StatusNotFound)
+			w.Header().Set("Content-Type", "text/html; charset=utf-8")
+			if _, err := w.Write(errorPage); err != nil {
+				logger.Err(err).Msg("failed to write error page")
+			}
+		} else {
+			http.Error(w, err.Error(), http.StatusNotFound)
+		}
+	}
+}
+
+func findRouteAnyDomain(host string) (route.HTTPRoute, error) {
+	hostSplit := strutils.SplitRune(host, '.')
+	target := hostSplit[0]
+
+	if r, ok := routes.GetHTTPRouteOrExact(target, host); ok {
+		return r, nil
+	}
+	return nil, fmt.Errorf("%w: %s", ErrNoSuchRoute, target)
+}
+
+func findRouteByDomains(domains []string) func(host string) (route.HTTPRoute, error) {
+	return func(host string) (route.HTTPRoute, error) {
+		for _, domain := range domains {
+			if strings.HasSuffix(host, domain) {
+				target := strings.TrimSuffix(host, domain)
+				if r, ok := routes.GetHTTPRoute(target); ok {
+					return r, nil
+				}
+			}
+		}
+
+		// fallback to exact match
+		if r, ok := routes.GetHTTPRoute(host); ok {
+			return r, nil
+		}
+		return nil, fmt.Errorf("%w: %s", ErrNoSuchRoute, host)
+	}
+}

internal/entrypoint/entrypoint_test.go

@@ -0,0 +1,120 @@
+package entrypoint
+
+import (
+	"testing"
+
+	"github.com/yusing/go-proxy/internal/route"
+	"github.com/yusing/go-proxy/internal/route/routes"
+	. "github.com/yusing/go-proxy/internal/utils/testing"
+)
+
+var r route.HTTPRoute
+
+func run(t *testing.T, match []string, noMatch []string) {
+	t.Helper()
+	t.Cleanup(routes.TestClear)
+	t.Cleanup(func() {
+		SetFindRouteDomains(nil)
+	})
+
+	for _, test := range match {
+		t.Run(test, func(t *testing.T) {
+			found, err := findRouteFunc(test)
+			ExpectNoError(t, err)
+			ExpectTrue(t, found == &r)
+		})
+	}
+
+	for _, test := range noMatch {
+		t.Run(test, func(t *testing.T) {
+			_, err := findRouteFunc(test)
+			ExpectError(t, ErrNoSuchRoute, err)
+		})
+	}
+}
+
+func TestFindRouteAnyDomain(t *testing.T) {
+	routes.SetHTTPRoute("app1", &r)
+
+	tests := []string{
+		"app1.com",
+		"app1.domain.com",
+		"app1.sub.domain.com",
+	}
+	testsNoMatch := []string{
+		"sub.app1.com",
+		"app2.com",
+		"app2.domain.com",
+		"app2.sub.domain.com",
+	}
+
+	run(t, tests, testsNoMatch)
+}
+
+func TestFindRouteExactHostMatch(t *testing.T) {
+	tests := []string{
+		"app2.com",
+		"app2.domain.com",
+		"app2.sub.domain.com",
+	}
+	testsNoMatch := []string{
+		"sub.app2.com",
+		"app1.com",
+		"app1.domain.com",
+		"app1.sub.domain.com",
+	}
+
+	for _, test := range tests {
+		routes.SetHTTPRoute(test, &r)
+	}
+
+	run(t, tests, testsNoMatch)
+}
+
+func TestFindRouteByDomains(t *testing.T) {
+	SetFindRouteDomains([]string{
+		".domain.com",
+		".sub.domain.com",
+	})
+
+	routes.SetHTTPRoute("app1", &r)
+
+	tests := []string{
+		"app1.domain.com",
+		"app1.sub.domain.com",
+	}
+	testsNoMatch := []string{
+		"sub.app1.com",
+		"app1.com",
+		"app1.domain.co",
+		"app1.domain.com.hk",
+		"app1.sub.domain.co",
+		"app2.domain.com",
+		"app2.sub.domain.com",
+	}
+
+	run(t, tests, testsNoMatch)
+}
+
+func TestFindRouteByDomainsExactMatch(t *testing.T) {
+	SetFindRouteDomains([]string{
+		".domain.com",
+		".sub.domain.com",
+	})
+
+	routes.SetHTTPRoute("app1.foo.bar", &r)
+
+	tests := []string{
+		"app1.foo.bar", // exact match
+		"app1.foo.bar.domain.com",
+		"app1.foo.bar.sub.domain.com",
+	}
+	testsNoMatch := []string{
+		"sub.app1.foo.bar",
+		"sub.app1.foo.bar.com",
+		"app1.domain.com",
+		"app1.sub.domain.com",
+	}
+
+	run(t, tests, testsNoMatch)
+}

internal/entrypoint/logger.go

@@ -0,0 +1,7 @@
+package entrypoint
+
+import (
+	"github.com/yusing/go-proxy/internal/logging"
+)
+
+var logger = logging.With().Str("module", "entrypoint").Logger()

internal/error/base.go

@@ -1,4 +1,4 @@
-package error
+package err
 
 import (
 	"errors"
@@ -6,6 +6,8 @@ import (
 )
 
 // baseError is an immutable wrapper around an error.
+//
+//nolint:recvcheck
 type baseError struct {
 	Err error `json:"err"`
 }

internal/error/builder.go

@@ -1,4 +1,4 @@
-package error
+package err
 
 import (
 	"fmt"
@@ -60,7 +60,7 @@ func (b *Builder) Add(err error) *Builder {
 	b.Lock()
 	defer b.Unlock()
 
-	switch err := err.(type) {
+	switch err := From(err).(type) {
 	case *baseError:
 		b.errs = append(b.errs, err.Err)
 	case *nestedError:
@@ -70,7 +70,7 @@ func (b *Builder) Add(err error) *Builder {
 			b.errs = append(b.errs, err)
 		}
 	default:
-		b.errs = append(b.errs, err)
+		panic("bug: should not reach here")
 	}
 
 	return b

internal/error/builder_test.go

@@ -1,4 +1,4 @@
-package error_test
+package err_test
 
 import (
 	"context"

internal/error/error.go

@@ -1,4 +1,4 @@
-package error
+package err
 
 type Error interface {
 	error
@@ -24,6 +24,8 @@ type Error interface {
 
 // this makes JSON marshaling work,
 // as the builtin one doesn't.
+//
+//nolint:errname
 type errStr string
 
 func (err errStr) Error() string {

internal/error/error_test.go

@@ -1,4 +1,4 @@
-package error
+package err
 
 import (
 	"errors"
@@ -18,11 +18,11 @@ func TestBaseWithSubject(t *testing.T) {
 	withSubjectf := err.Subjectf("%s %s", "foo", "bar")
 
 	ExpectError(t, err, withSubject)
-	ExpectStrEqual(t, withSubject.Error(), "foo: error")
+	ExpectEqual(t, withSubject.Error(), "foo: error")
 	ExpectTrue(t, withSubject.Is(err))
 
 	ExpectError(t, err, withSubjectf)
-	ExpectStrEqual(t, withSubjectf.Error(), "foo bar: error")
+	ExpectEqual(t, withSubjectf.Error(), "foo bar: error")
 	ExpectTrue(t, withSubjectf.Is(err))
 }
 
@@ -81,10 +81,10 @@ func TestErrorImmutability(t *testing.T) {
 
 	for range 3 {
 		// t.Logf("%d: %v %T %s", i, errors.Unwrap(err), err, err)
-		err.Subject("foo")
+		_ = err.Subject("foo")
 		ExpectFalse(t, strings.Contains(err.Error(), "foo"))
 
-		err.With(err2)
+		_ = err.With(err2)
 		ExpectFalse(t, strings.Contains(err.Error(), "extra"))
 		ExpectFalse(t, err.Is(err2))
 
@@ -102,7 +102,7 @@ func TestErrorWith(t *testing.T) {
 	ExpectTrue(t, err3.Is(err1))
 	ExpectTrue(t, err3.Is(err2))
 
-	err2.Subject("foo")
+	_ = err2.Subject("foo")
 
 	ExpectTrue(t, err3.Is(err1))
 	ExpectTrue(t, err3.Is(err2))
@@ -114,9 +114,9 @@ func TestErrorWith(t *testing.T) {
 func TestErrorStringSimple(t *testing.T) {
 	errFailure := New("generic failure")
 	ne := errFailure.Subject("foo bar")
-	ExpectStrEqual(t, ne.Error(), "foo bar: generic failure")
+	ExpectEqual(t, ne.Error(), "foo bar: generic failure")
 	ne = ne.Subject("baz")
-	ExpectStrEqual(t, ne.Error(), "baz > foo bar: generic failure")
+	ExpectEqual(t, ne.Error(), "baz > foo bar: generic failure")
 }
 
 func TestErrorStringNested(t *testing.T) {
@@ -153,5 +153,5 @@ func TestErrorStringNested(t *testing.T) {
       • action 3 > inner3: generic failure
         • 3
         • 3`
-	ExpectStrEqual(t, ne.Error(), want)
+	ExpectEqual(t, ne.Error(), want)
 }

internal/error/log.go

@@ -1,4 +1,4 @@
-package error
+package err
 
 import (
 	"github.com/rs/zerolog"

internal/error/nested_error.go

@@ -1,11 +1,13 @@
-package error
+package err
 
 import (
 	"errors"
 	"fmt"
-	"strings"
+
+	"github.com/yusing/go-proxy/internal/utils/strutils"
 )
 
+//nolint:recvcheck
 type nestedError struct {
 	Err    error   `json:"err"`
 	Extras []error `json:"extras"`
@@ -66,7 +68,18 @@ func (err *nestedError) Is(other error) bool {
 }
 
 func (err *nestedError) Error() string {
-	return buildError(err, 0)
+	if err == nil {
+		return makeLine("<nil>", 0)
+	}
+
+	lines := make([]string, 0, 1+len(err.Extras))
+	if err.Err != nil {
+		lines = append(lines, makeLine(err.Err.Error(), 0))
+	}
+	if extras := makeLines(err.Extras, 1); len(extras) > 0 {
+		lines = append(lines, extras...)
+	}
+	return strutils.JoinLines(lines)
 }
 
 //go:inline
@@ -86,7 +99,7 @@ func makeLines(errs []error, level int) []string {
 	}
 	lines := make([]string, 0, len(errs))
 	for _, err := range errs {
-		switch err := err.(type) {
+		switch err := From(err).(type) {
 		case *nestedError:
 			if err.Err != nil {
 				lines = append(lines, makeLine(err.Err.Error(), level))
@@ -100,21 +113,3 @@ func makeLines(errs []error, level int) []string {
 	}
 	return lines
 }
-
-func buildError(err error, level int) string {
-	switch err := err.(type) {
-	case nil:
-		return makeLine("<nil>", level)
-	case *nestedError:
-		lines := make([]string, 0, 1+len(err.Extras))
-		if err.Err != nil {
-			lines = append(lines, makeLine(err.Err.Error(), level))
-		}
-		if extras := makeLines(err.Extras, level+1); len(extras) > 0 {
-			lines = append(lines, extras...)
-		}
-		return strings.Join(lines, "\n")
-	default:
-		return makeLine(err.Error(), level)
-	}
-}

internal/error/subject.go

@@ -1,4 +1,4 @@
-package error
+package err
 
 import (
 	"strings"
@@ -6,6 +6,7 @@ import (
 	"github.com/yusing/go-proxy/internal/utils/strutils/ansi"
 )
 
+//nolint:errname
 type withSubject struct {
 	Subject string `json:"subject"`
 	Err     error  `json:"err"`
@@ -18,23 +19,26 @@ func highlight(subject string) string {
 }
 
 func PrependSubject(subject string, err error) error {
-	switch err := err.(type) {
-	case nil:
+	if err == nil {
 		return nil
+	}
+
+	//nolint:errorlint
+	switch err := err.(type) {
 	case *withSubject:
 		return err.Prepend(subject)
 	case Error:
 		return err.Subject(subject)
-	default:
-		return &withSubject{subject, err}
 	}
+	return &withSubject{subject, err}
 }
 
-func (err withSubject) Prepend(subject string) *withSubject {
+func (err *withSubject) Prepend(subject string) *withSubject {
+	clone := *err
 	if subject != "" {
-		err.Subject = subject + subjectSep + err.Subject
+		clone.Subject = subject + subjectSep + clone.Subject
 	}
-	return &err
+	return &clone
 }
 
 func (err *withSubject) Is(other error) bool {

internal/error/utils.go

@@ -1,4 +1,4 @@
-package error
+package err
 
 import (
 	"fmt"
@@ -23,7 +23,11 @@ func From(err error) Error {
 	if err == nil {
 		return nil
 	}
-	if err, ok := err.(Error); ok {
+	//nolint:errorlint
+	switch err := err.(type) {
+	case *baseError:
+		return err
+	case *nestedError:
 		return err
 	}
 	return &baseError{err}
@@ -46,10 +50,12 @@ func Join(errors ...error) Error {
 	if n == 0 {
 		return nil
 	}
-	errs := make([]error, 0, n)
+	errs := make([]error, n)
+	i := 0
 	for _, err := range errors {
 		if err != nil {
-			errs = append(errs, err)
+			errs[i] = err
+			i++
 		}
 	}
 	return &nestedError{Extras: errs}

internal/homepage/categories.go

@@ -0,0 +1,64 @@
+package homepage
+
+// PredefinedCategories by alias or docker image name.
+var PredefinedCategories = map[string]string{
+	"sonarr":       "Torrenting",
+	"radarr":       "Torrenting",
+	"bazarr":       "Torrenting",
+	"lidarr":       "Torrenting",
+	"readarr":      "Torrenting",
+	"prowlarr":     "Torrenting",
+	"watcharr":     "Torrenting",
+	"qbittorrent":  "Torrenting",
+	"qbit":         "Torrenting",
+	"qbt":          "Torrenting",
+	"transmission": "Torrenting",
+
+	"jellyfin":   "Media",
+	"jellyseerr": "Media",
+	"emby":       "Media",
+	"plex":       "Media",
+	"navidrome":  "Media",
+	"immich":     "Media",
+	"tautulli":   "Media",
+	"nextcloud":  "Media",
+	"invidious":  "Media",
+
+	"uptime":             "Monitoring",
+	"uptime-kuma":        "Monitoring",
+	"prometheus":         "Monitoring",
+	"grafana":            "Monitoring",
+	"netdata":            "Monitoring",
+	"changedetection.io": "Monitoring",
+	"changedetection":    "Monitoring",
+	"influxdb":           "Monitoring",
+	"influx":             "Monitoring",
+	"dozzle":             "Monitoring",
+
+	"adguardhome":  "Networking",
+	"adgh":         "Networking",
+	"adg":          "Networking",
+	"pihole":       "Networking",
+	"flaresolverr": "Networking",
+
+	"homebridge":     "Home Automation",
+	"home-assistant": "Home Automation",
+
+	"dockge":       "Container Management",
+	"portainer-ce": "Container Management",
+	"portainer-be": "Container Management",
+
+	"rss":        "RSS",
+	"rsshub":     "RSS",
+	"rss-bridge": "RSS",
+	"miniflux":   "RSS",
+	"freshrss":   "RSS",
+
+	"paperless":     "Documents",
+	"paperless-ngx": "Documents",
+	"s-pdf":         "Documents",
+
+	"minio":       "Storage",
+	"filebrowser": "Storage",
+	"rclone":      "Storage",
+}

internal/homepage/homepage.go

@@ -1,20 +1,22 @@
 package homepage
 
 type (
+	//nolint:recvcheck
 	Config   map[string]Category
 	Category []*Item
 
 	Item struct {
-		Show         bool           `json:"show" yaml:"show"`
-		Name         string         `json:"name" yaml:"name"`
-		Icon         string         `json:"icon" yaml:"icon"`
-		URL          string         `json:"url" yaml:"url"` // alias + domain
-		Category     string         `json:"category" yaml:"category"`
-		Description  string         `json:"description" yaml:"description"`
-		WidgetConfig map[string]any `json:"widget_config" yaml:",flow"`
+		Show         bool           `json:"show"`
+		Name         string         `json:"name"` // display name
+		Icon         string         `json:"icon"`
+		URL          string         `json:"url"` // alias + domain
+		Category     string         `json:"category"`
+		Description  string         `json:"description" aliases:"desc"`
+		WidgetConfig map[string]any `json:"widget_config" aliases:"widget"`
 
-		SourceType string `json:"source_type" yaml:"-"`
-		AltURL     string `json:"alt_url" yaml:"-"` // original proxy target
+		Alias      string `json:"alias"` // proxy alias
+		SourceType string `json:"source_type"`
+		AltURL     string `json:"alt_url"` // original proxy target
 	}
 )
 

internal/logging/logging.go

@@ -1,3 +1,4 @@
+//nolint:zerologlint
 package logging
 
 import (
@@ -6,6 +7,7 @@ import (
 
 	"github.com/rs/zerolog"
 	"github.com/yusing/go-proxy/internal/common"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
 )
 
 var logger zerolog.Logger
@@ -38,20 +40,20 @@ func init() {
 			FieldsExclude: exclude,
 			FormatMessage: func(msgI interface{}) string { // pad spaces for each line
 				msg := msgI.(string)
-				lines := strings.Split(msg, "\n")
+				lines := strutils.SplitRune(msg, '\n')
 				if len(lines) == 1 {
 					return msg
 				}
 				for i := 1; i < len(lines); i++ {
 					lines[i] = prefix + lines[i]
 				}
-				return strings.Join(lines, "\n")
+				return strutils.JoinRune(lines, '\n')
 			},
 		},
 	).Level(level).With().Timestamp().Logger()
 }
 
-func DiscardLogger() { logger = zerolog.Nop() }
+func DiscardLogger() { zerolog.SetGlobalLevel(zerolog.Disabled) }
 
 func AddHook(h zerolog.Hook) { logger = logger.Hook(h) }
 

internal/metrics/http_handler.go

@@ -0,0 +1,13 @@
+package metrics
+
+import (
+	"net/http"
+
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+)
+
+func NewHandler() http.Handler {
+	mux := http.NewServeMux()
+	mux.Handle("/metrics", promhttp.Handler())
+	return mux
+}

internal/metrics/labels.go

@@ -0,0 +1,36 @@
+package metrics
+
+import "github.com/prometheus/client_golang/prometheus"
+
+type (
+	HTTPRouteMetricLabels struct {
+		Service, Method, Host, Visitor, Path string
+	}
+	StreamRouteMetricLabels struct {
+		Service, Visitor string
+	}
+	HealthMetricLabels string
+)
+
+func (lbl *HTTPRouteMetricLabels) toPromLabels() prometheus.Labels {
+	return prometheus.Labels{
+		"service": lbl.Service,
+		"method":  lbl.Method,
+		"host":    lbl.Host,
+		"visitor": lbl.Visitor,
+		"path":    lbl.Path,
+	}
+}
+
+func (lbl *StreamRouteMetricLabels) toPromLabels() prometheus.Labels {
+	return prometheus.Labels{
+		"service": lbl.Service,
+		"visitor": lbl.Visitor,
+	}
+}
+
+func (lbl HealthMetricLabels) toPromLabels() prometheus.Labels {
+	return prometheus.Labels{
+		"service": string(lbl),
+	}
+}

internal/metrics/metric.go

@@ -0,0 +1,89 @@
+package metrics
+
+import "github.com/prometheus/client_golang/prometheus"
+
+type (
+	Counter struct {
+		mv        *prometheus.CounterVec
+		collector prometheus.Counter
+	}
+	Gauge struct {
+		mv        *prometheus.GaugeVec
+		collector prometheus.Gauge
+	}
+	Labels interface {
+		toPromLabels() prometheus.Labels
+	}
+)
+
+func NewCounter(opts prometheus.CounterOpts, labels ...string) *Counter {
+	m := &Counter{
+		mv: prometheus.NewCounterVec(opts, labels),
+	}
+	if len(labels) == 0 {
+		m.collector = m.mv.WithLabelValues()
+		m.collector.Add(0)
+	}
+	prometheus.MustRegister(m)
+	return m
+}
+
+func NewGauge(opts prometheus.GaugeOpts, labels ...string) *Gauge {
+	m := &Gauge{
+		mv: prometheus.NewGaugeVec(opts, labels),
+	}
+	if len(labels) == 0 {
+		m.collector = m.mv.WithLabelValues()
+		m.collector.Set(0)
+	}
+	prometheus.MustRegister(m)
+	return m
+}
+
+func (c *Counter) Collect(ch chan<- prometheus.Metric) {
+	c.mv.Collect(ch)
+}
+
+func (c *Counter) Describe(ch chan<- *prometheus.Desc) {
+	c.mv.Describe(ch)
+}
+
+func (c *Counter) Inc() {
+	c.collector.Inc()
+}
+
+func (c *Counter) With(l Labels) *Counter {
+	return &Counter{mv: c.mv, collector: c.mv.With(l.toPromLabels())}
+}
+
+func (c *Counter) Delete(l Labels) {
+	c.mv.Delete(l.toPromLabels())
+}
+
+func (c *Counter) Reset() {
+	c.mv.Reset()
+}
+
+func (g *Gauge) Collect(ch chan<- prometheus.Metric) {
+	g.mv.Collect(ch)
+}
+
+func (g *Gauge) Describe(ch chan<- *prometheus.Desc) {
+	g.mv.Describe(ch)
+}
+
+func (g *Gauge) Set(v float64) {
+	g.collector.Set(v)
+}
+
+func (g *Gauge) With(l Labels) *Gauge {
+	return &Gauge{mv: g.mv, collector: g.mv.With(l.toPromLabels())}
+}
+
+func (g *Gauge) Delete(l Labels) {
+	g.mv.Delete(l.toPromLabels())
+}
+
+func (g *Gauge) Reset() {
+	g.mv.Reset()
+}

internal/metrics/metrics.go

@@ -0,0 +1,105 @@
+package metrics
+
+import (
+	"strings"
+
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/yusing/go-proxy/internal/common"
+)
+
+type (
+	RouteMetrics struct {
+		HTTPReqTotal,
+		HTTP2xx3xx,
+		HTTP4xx,
+		HTTP5xx *Counter
+		HTTPReqElapsed *Gauge
+	}
+
+	ServiceMetrics struct {
+		HealthStatus *Gauge
+	}
+)
+
+var (
+	rm RouteMetrics
+	sm ServiceMetrics
+)
+
+const (
+	routerNamespace     = "router"
+	routerHTTPSubsystem = "http"
+
+	serviceNamespace = "service"
+)
+
+func GetRouteMetrics() *RouteMetrics {
+	return &rm
+}
+
+func GetServiceMetrics() *ServiceMetrics {
+	return &sm
+}
+
+func (rm *RouteMetrics) UnregisterService(service string) {
+	lbls := &HTTPRouteMetricLabels{Service: service}
+	rm.HTTP2xx3xx.Delete(lbls)
+	rm.HTTP4xx.Delete(lbls)
+	rm.HTTP5xx.Delete(lbls)
+	rm.HTTPReqElapsed.Delete(lbls)
+}
+
+func init() {
+	if !common.PrometheusEnabled {
+		return
+	}
+	initRouteMetrics()
+	initServiceMetrics()
+}
+
+func initRouteMetrics() {
+	lbls := []string{"service", "method", "host", "visitor", "path"}
+	partitionsHelp := ", partitioned by " + strings.Join(lbls, ", ")
+	rm = RouteMetrics{
+		HTTPReqTotal: NewCounter(prometheus.CounterOpts{
+			Namespace: routerNamespace,
+			Subsystem: routerHTTPSubsystem,
+			Name:      "req_total",
+			Help:      "How many requests processed in total",
+		}),
+		HTTP2xx3xx: NewCounter(prometheus.CounterOpts{
+			Namespace: routerNamespace,
+			Subsystem: routerHTTPSubsystem,
+			Name:      "req_ok_count",
+			Help:      "How many 2xx-3xx requests processed" + partitionsHelp,
+		}, lbls...),
+		HTTP4xx: NewCounter(prometheus.CounterOpts{
+			Namespace: routerNamespace,
+			Subsystem: routerHTTPSubsystem,
+			Name:      "req_4xx_count",
+			Help:      "How many 4xx requests processed" + partitionsHelp,
+		}, lbls...),
+		HTTP5xx: NewCounter(prometheus.CounterOpts{
+			Namespace: routerNamespace,
+			Subsystem: routerHTTPSubsystem,
+			Name:      "req_5xx_count",
+			Help:      "How many 5xx requests processed" + partitionsHelp,
+		}, lbls...),
+		HTTPReqElapsed: NewGauge(prometheus.GaugeOpts{
+			Namespace: routerNamespace,
+			Subsystem: routerHTTPSubsystem,
+			Name:      "req_elapsed_ms",
+			Help:      "How long it took to process the request and respond a status code" + partitionsHelp,
+		}, lbls...),
+	}
+}
+
+func initServiceMetrics() {
+	sm = ServiceMetrics{
+		HealthStatus: NewGauge(prometheus.GaugeOpts{
+			Namespace: serviceNamespace,
+			Name:      "health_status",
+			Help:      "The health status of the router by service",
+		}, "service"),
+	}
+}

internal/metrics/router_metrics.go

@@ -0,0 +1,26 @@
+package metrics
+
+import (
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/yusing/go-proxy/internal/common"
+)
+
+func InitRouterMetrics(getRPsCount func() int, getStreamsCount func() int) {
+	if !common.PrometheusEnabled {
+		return
+	}
+	prometheus.MustRegister(prometheus.NewGaugeFunc(prometheus.GaugeOpts{
+		Namespace: "entrypoint",
+		Name:      "num_reverse_proxies",
+		Help:      "The number of reverse proxies",
+	}, func() float64 {
+		return float64(getRPsCount())
+	}))
+	prometheus.MustRegister(prometheus.NewGaugeFunc(prometheus.GaugeOpts{
+		Namespace: "entrypoint",
+		Name:      "num_streams",
+		Help:      "The number of streams",
+	}, func() float64 {
+		return float64(getStreamsCount())
+	}))
+}

internal/net/http/accesslog/access_logger.go

@@ -0,0 +1,174 @@
+package accesslog
+
+import (
+	"bytes"
+	"io"
+	"net/http"
+	"sync"
+	"time"
+
+	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/internal/task"
+)
+
+type (
+	AccessLogger struct {
+		task *task.Task
+		cfg  *Config
+		io   AccessLogIO
+
+		buf     bytes.Buffer // buffer for non-flushed log
+		bufMu   sync.Mutex   // protect buf
+		bufPool sync.Pool    // buffer pool for formatting a single log line
+
+		flushThreshold int
+
+		Formatter
+	}
+
+	AccessLogIO interface {
+		io.ReadWriteCloser
+		io.ReadWriteSeeker
+		io.ReaderAt
+		sync.Locker
+		Name() string // file name or path
+		Truncate(size int64) error
+	}
+
+	Formatter interface {
+		// Format writes a log line to line without a trailing newline
+		Format(line *bytes.Buffer, req *http.Request, res *http.Response)
+		SetGetTimeNow(getTimeNow func() time.Time)
+	}
+)
+
+var logger = logging.With().Str("module", "accesslog").Logger()
+
+func NewAccessLogger(parent task.Parent, io AccessLogIO, cfg *Config) *AccessLogger {
+	l := &AccessLogger{
+		task: parent.Subtask("accesslog"),
+		cfg:  cfg,
+		io:   io,
+	}
+	if cfg.BufferSize < 1024 {
+		cfg.BufferSize = DefaultBufferSize
+	}
+
+	fmt := CommonFormatter{cfg: &l.cfg.Fields, GetTimeNow: time.Now}
+	switch l.cfg.Format {
+	case FormatCommon:
+		l.Formatter = &fmt
+	case FormatCombined:
+		l.Formatter = &CombinedFormatter{fmt}
+	case FormatJSON:
+		l.Formatter = &JSONFormatter{fmt}
+	default: // should not happen, validation has done by validate tags
+		panic("invalid access log format")
+	}
+
+	l.flushThreshold = int(cfg.BufferSize * 4 / 5) // 80%
+	l.buf.Grow(int(cfg.BufferSize))
+	l.bufPool.New = func() any {
+		return new(bytes.Buffer)
+	}
+	go l.start()
+	return l
+}
+
+func (l *AccessLogger) checkKeep(req *http.Request, res *http.Response) bool {
+	if !l.cfg.Filters.StatusCodes.CheckKeep(req, res) ||
+		!l.cfg.Filters.Method.CheckKeep(req, res) ||
+		!l.cfg.Filters.Headers.CheckKeep(req, res) ||
+		!l.cfg.Filters.CIDR.CheckKeep(req, res) {
+		return false
+	}
+	return true
+}
+
+func (l *AccessLogger) Log(req *http.Request, res *http.Response) {
+	if !l.checkKeep(req, res) {
+		return
+	}
+
+	line := l.bufPool.Get().(*bytes.Buffer)
+	l.Format(line, req, res)
+	line.WriteRune('\n')
+
+	l.bufMu.Lock()
+	l.buf.Write(line.Bytes())
+	line.Reset()
+	l.bufPool.Put(line)
+	l.bufMu.Unlock()
+}
+
+func (l *AccessLogger) LogError(req *http.Request, err error) {
+	l.Log(req, &http.Response{StatusCode: http.StatusInternalServerError, Status: err.Error()})
+}
+
+func (l *AccessLogger) Config() *Config {
+	return l.cfg
+}
+
+func (l *AccessLogger) Rotate() error {
+	if l.cfg.Retention == nil {
+		return nil
+	}
+	l.io.Lock()
+	defer l.io.Unlock()
+
+	return l.cfg.Retention.rotateLogFile(l.io)
+}
+
+func (l *AccessLogger) Flush(force bool) {
+	if l.buf.Len() == 0 {
+		return
+	}
+	if force || l.buf.Len() >= l.flushThreshold {
+		l.bufMu.Lock()
+		l.write(l.buf.Bytes())
+		l.buf.Reset()
+		l.bufMu.Unlock()
+		logger.Debug().Msg("access log flushed to " + l.io.Name())
+	}
+}
+
+func (l *AccessLogger) handleErr(err error) {
+	E.LogError("failed to write access log", err, &logger)
+}
+
+func (l *AccessLogger) start() {
+	defer func() {
+		if l.buf.Len() > 0 { // flush last
+			l.write(l.buf.Bytes())
+		}
+		l.io.Close()
+		l.task.Finish(nil)
+	}()
+
+	// periodic flush + threshold flush
+	periodic := time.NewTicker(5 * time.Second)
+	threshold := time.NewTicker(time.Second)
+	defer periodic.Stop()
+	defer threshold.Stop()
+
+	for {
+		select {
+		case <-l.task.Context().Done():
+			return
+		case <-periodic.C:
+			l.Flush(true)
+		case <-threshold.C:
+			l.Flush(false)
+		}
+	}
+}
+
+func (l *AccessLogger) write(data []byte) {
+	l.io.Lock() // prevent concurrent write, i.e. log rotation, other access loggers
+	_, err := l.io.Write(data)
+	l.io.Unlock()
+	if err != nil {
+		l.handleErr(err)
+	}
+}

internal/net/http/accesslog/access_logger_test.go

@@ -0,0 +1,128 @@
+package accesslog_test
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+	"testing"
+	"time"
+
+	E "github.com/yusing/go-proxy/internal/error"
+	. "github.com/yusing/go-proxy/internal/net/http/accesslog"
+	"github.com/yusing/go-proxy/internal/task"
+	. "github.com/yusing/go-proxy/internal/utils/testing"
+)
+
+const (
+	remote        = "192.168.1.1"
+	host          = "example.com"
+	uri           = "/?bar=baz&foo=bar"
+	uriRedacted   = "/?bar=" + RedactedValue + "&foo=" + RedactedValue
+	referer       = "https://www.google.com/"
+	proto         = "HTTP/1.1"
+	ua            = "Go-http-client/1.1"
+	status        = http.StatusOK
+	contentLength = 100
+	method        = http.MethodGet
+)
+
+var (
+	testTask = task.RootTask("test", false)
+	testURL  = E.Must(url.Parse("http://" + host + uri))
+	req      = &http.Request{
+		RemoteAddr: remote,
+		Method:     method,
+		Proto:      proto,
+		Host:       testURL.Host,
+		URL:        testURL,
+		Header: http.Header{
+			"User-Agent": []string{ua},
+			"Referer":    []string{referer},
+			"Cookie": []string{
+				"foo=bar",
+				"bar=baz",
+			},
+		},
+	}
+	resp = &http.Response{
+		StatusCode:    status,
+		ContentLength: contentLength,
+		Header:        http.Header{"Content-Type": []string{"text/plain"}},
+	}
+)
+
+func fmtLog(cfg *Config) (ts string, line string) {
+	var buf bytes.Buffer
+
+	t := time.Now()
+	logger := NewAccessLogger(testTask, nil, cfg)
+	logger.Formatter.SetGetTimeNow(func() time.Time {
+		return t
+	})
+	logger.Format(&buf, req, resp)
+	return t.Format(LogTimeFormat), buf.String()
+}
+
+func TestAccessLoggerCommon(t *testing.T) {
+	config := DefaultConfig()
+	config.Format = FormatCommon
+	ts, log := fmtLog(config)
+	ExpectEqual(t, log,
+		fmt.Sprintf("%s %s - - [%s] \"%s %s %s\" %d %d",
+			host, remote, ts, method, uri, proto, status, contentLength,
+		),
+	)
+}
+
+func TestAccessLoggerCombined(t *testing.T) {
+	config := DefaultConfig()
+	config.Format = FormatCombined
+	ts, log := fmtLog(config)
+	ExpectEqual(t, log,
+		fmt.Sprintf("%s %s - - [%s] \"%s %s %s\" %d %d \"%s\" \"%s\"",
+			host, remote, ts, method, uri, proto, status, contentLength, referer, ua,
+		),
+	)
+}
+
+func TestAccessLoggerRedactQuery(t *testing.T) {
+	config := DefaultConfig()
+	config.Format = FormatCommon
+	config.Fields.Query.Default = FieldModeRedact
+	ts, log := fmtLog(config)
+	ExpectEqual(t, log,
+		fmt.Sprintf("%s %s - - [%s] \"%s %s %s\" %d %d",
+			host, remote, ts, method, uriRedacted, proto, status, contentLength,
+		),
+	)
+}
+
+func getJSONEntry(t *testing.T, config *Config) JSONLogEntry {
+	t.Helper()
+	config.Format = FormatJSON
+	var entry JSONLogEntry
+	_, log := fmtLog(config)
+	err := json.Unmarshal([]byte(log), &entry)
+	ExpectNoError(t, err)
+	return entry
+}
+
+func TestAccessLoggerJSON(t *testing.T) {
+	config := DefaultConfig()
+	entry := getJSONEntry(t, config)
+	ExpectEqual(t, entry.IP, remote)
+	ExpectEqual(t, entry.Method, method)
+	ExpectEqual(t, entry.Scheme, "http")
+	ExpectEqual(t, entry.Host, testURL.Host)
+	ExpectEqual(t, entry.URI, testURL.RequestURI())
+	ExpectEqual(t, entry.Protocol, proto)
+	ExpectEqual(t, entry.Status, status)
+	ExpectEqual(t, entry.ContentType, "text/plain")
+	ExpectEqual(t, entry.Size, contentLength)
+	ExpectEqual(t, entry.Referer, referer)
+	ExpectEqual(t, entry.UserAgent, ua)
+	ExpectEqual(t, len(entry.Headers), 0)
+	ExpectEqual(t, len(entry.Cookies), 0)
+}

internal/net/http/accesslog/config.go

@@ -0,0 +1,57 @@
+package accesslog
+
+import "github.com/yusing/go-proxy/internal/utils"
+
+type (
+	Format  string
+	Filters struct {
+		StatusCodes LogFilter[*StatusCodeRange] `json:"status_codes"`
+		Method      LogFilter[HTTPMethod]       `json:"method"`
+		Host        LogFilter[Host]             `json:"host"`
+		Headers     LogFilter[*HTTPHeader]      `json:"headers"` // header exists or header == value
+		CIDR        LogFilter[*CIDR]            `json:"cidr"`
+	}
+	Fields struct {
+		Headers FieldConfig `json:"headers"`
+		Query   FieldConfig `json:"query"`
+		Cookies FieldConfig `json:"cookies"`
+	}
+	Config struct {
+		BufferSize uint       `json:"buffer_size" validate:"gte=1"`
+		Format     Format     `json:"format" validate:"oneof=common combined json"`
+		Path       string     `json:"path" validate:"required"`
+		Filters    Filters    `json:"filters"`
+		Fields     Fields     `json:"fields"`
+		Retention  *Retention `json:"retention"`
+	}
+)
+
+var (
+	FormatCommon   Format = "common"
+	FormatCombined Format = "combined"
+	FormatJSON     Format = "json"
+)
+
+const DefaultBufferSize = 64 * 1024 // 64KB
+
+func DefaultConfig() *Config {
+	return &Config{
+		BufferSize: DefaultBufferSize,
+		Format:     FormatCombined,
+		Fields: Fields{
+			Headers: FieldConfig{
+				Default: FieldModeDrop,
+			},
+			Query: FieldConfig{
+				Default: FieldModeKeep,
+			},
+			Cookies: FieldConfig{
+				Default: FieldModeDrop,
+			},
+		},
+	}
+}
+
+func init() {
+	utils.RegisterDefaultValueFactory(DefaultConfig)
+}

internal/net/http/accesslog/config_test.go

@@ -0,0 +1,53 @@
+package accesslog_test
+
+import (
+	"testing"
+
+	"github.com/yusing/go-proxy/internal/docker"
+	. "github.com/yusing/go-proxy/internal/net/http/accesslog"
+	"github.com/yusing/go-proxy/internal/utils"
+	. "github.com/yusing/go-proxy/internal/utils/testing"
+)
+
+func TestNewConfig(t *testing.T) {
+	labels := map[string]string{
+		"proxy.buffer_size":                 "10",
+		"proxy.format":                      "combined",
+		"proxy.path":                        "/tmp/access.log",
+		"proxy.filters.status_codes.values": "200-299",
+		"proxy.filters.method.values":       "GET, POST",
+		"proxy.filters.headers.values":      "foo=bar, baz",
+		"proxy.filters.headers.negative":    "true",
+		"proxy.filters.cidr.values":         "192.168.10.0/24",
+		"proxy.fields.headers.default":      "keep",
+		"proxy.fields.headers.config.foo":   "redact",
+		"proxy.fields.query.default":        "drop",
+		"proxy.fields.query.config.foo":     "keep",
+		"proxy.fields.cookies.default":      "redact",
+		"proxy.fields.cookies.config.foo":   "keep",
+	}
+	parsed, err := docker.ParseLabels(labels)
+	ExpectNoError(t, err)
+
+	var config Config
+	err = utils.Deserialize(parsed, &config)
+	ExpectNoError(t, err)
+
+	ExpectEqual(t, config.BufferSize, 10)
+	ExpectEqual(t, config.Format, FormatCombined)
+	ExpectEqual(t, config.Path, "/tmp/access.log")
+	ExpectDeepEqual(t, config.Filters.StatusCodes.Values, []*StatusCodeRange{{Start: 200, End: 299}})
+	ExpectEqual(t, len(config.Filters.Method.Values), 2)
+	ExpectDeepEqual(t, config.Filters.Method.Values, []HTTPMethod{"GET", "POST"})
+	ExpectEqual(t, len(config.Filters.Headers.Values), 2)
+	ExpectDeepEqual(t, config.Filters.Headers.Values, []*HTTPHeader{{Key: "foo", Value: "bar"}, {Key: "baz", Value: ""}})
+	ExpectTrue(t, config.Filters.Headers.Negative)
+	ExpectEqual(t, len(config.Filters.CIDR.Values), 1)
+	ExpectEqual(t, config.Filters.CIDR.Values[0].String(), "192.168.10.0/24")
+	ExpectEqual(t, config.Fields.Headers.Default, FieldModeKeep)
+	ExpectEqual(t, config.Fields.Headers.Config["foo"], FieldModeRedact)
+	ExpectEqual(t, config.Fields.Query.Default, FieldModeDrop)
+	ExpectEqual(t, config.Fields.Query.Config["foo"], FieldModeKeep)
+	ExpectEqual(t, config.Fields.Cookies.Default, FieldModeRedact)
+	ExpectEqual(t, config.Fields.Cookies.Config["foo"], FieldModeKeep)
+}

internal/net/http/accesslog/fields.go

@@ -0,0 +1,103 @@
+package accesslog
+
+import (
+	"net/http"
+	"net/url"
+)
+
+type (
+	FieldConfig struct {
+		Default FieldMode            `json:"default" validate:"oneof=keep drop redact"`
+		Config  map[string]FieldMode `json:"config" validate:"dive,oneof=keep drop redact"`
+	}
+	FieldMode string
+)
+
+const (
+	FieldModeKeep   FieldMode = "keep"
+	FieldModeDrop   FieldMode = "drop"
+	FieldModeRedact FieldMode = "redact"
+
+	RedactedValue = "REDACTED"
+)
+
+func processMap[V any](cfg *FieldConfig, m map[string]V, redactedV V) map[string]V {
+	if len(cfg.Config) == 0 {
+		switch cfg.Default {
+		case FieldModeKeep:
+			return m
+		case FieldModeDrop:
+			return nil
+		case FieldModeRedact:
+			redacted := make(map[string]V)
+			for k := range m {
+				redacted[k] = redactedV
+			}
+			return redacted
+		}
+	}
+
+	if len(m) == 0 {
+		return m
+	}
+
+	newMap := make(map[string]V, len(m))
+	for k := range m {
+		var mode FieldMode
+		var ok bool
+		if mode, ok = cfg.Config[k]; !ok {
+			mode = cfg.Default
+		}
+		switch mode {
+		case FieldModeKeep:
+			newMap[k] = m[k]
+		case FieldModeRedact:
+			newMap[k] = redactedV
+		}
+	}
+	return newMap
+}
+
+func processSlice[V any, VReturn any](cfg *FieldConfig, s []V, getKey func(V) string, convert func(V) VReturn, redact func(V) VReturn) map[string]VReturn {
+	if len(s) == 0 ||
+		len(cfg.Config) == 0 && cfg.Default == FieldModeDrop {
+		return nil
+	}
+	newMap := make(map[string]VReturn, len(s))
+	for _, v := range s {
+		var mode FieldMode
+		var ok bool
+		k := getKey(v)
+		if mode, ok = cfg.Config[k]; !ok {
+			mode = cfg.Default
+		}
+		switch mode {
+		case FieldModeKeep:
+			newMap[k] = convert(v)
+		case FieldModeRedact:
+			newMap[k] = redact(v)
+		}
+	}
+	return newMap
+}
+
+func (cfg *FieldConfig) ProcessHeaders(headers http.Header) http.Header {
+	return processMap(cfg, headers, []string{RedactedValue})
+}
+
+func (cfg *FieldConfig) ProcessQuery(q url.Values) url.Values {
+	return processMap(cfg, q, []string{RedactedValue})
+}
+
+func (cfg *FieldConfig) ProcessCookies(cookies []*http.Cookie) map[string]string {
+	return processSlice(cfg, cookies,
+		func(c *http.Cookie) string {
+			return c.Name
+		},
+		func(c *http.Cookie) string {
+			return c.Value
+		},
+		func(c *http.Cookie) string {
+			return RedactedValue
+		})
+}

internal/net/http/accesslog/fields_test.go

@@ -0,0 +1,96 @@
+package accesslog_test
+
+import (
+	"testing"
+
+	. "github.com/yusing/go-proxy/internal/net/http/accesslog"
+	. "github.com/yusing/go-proxy/internal/utils/testing"
+)
+
+// Cookie header should be removed,
+// stored in JSONLogEntry.Cookies instead.
+func TestAccessLoggerJSONKeepHeaders(t *testing.T) {
+	config := DefaultConfig()
+	config.Fields.Headers.Default = FieldModeKeep
+	entry := getJSONEntry(t, config)
+	for k, v := range req.Header {
+		if k != "Cookie" {
+			ExpectDeepEqual(t, entry.Headers[k], v)
+		}
+	}
+
+	config.Fields.Headers.Config = map[string]FieldMode{
+		"Referer":    FieldModeRedact,
+		"User-Agent": FieldModeDrop,
+	}
+	entry = getJSONEntry(t, config)
+	ExpectDeepEqual(t, entry.Headers["Referer"], []string{RedactedValue})
+	ExpectDeepEqual(t, entry.Headers["User-Agent"], nil)
+}
+
+func TestAccessLoggerJSONDropHeaders(t *testing.T) {
+	config := DefaultConfig()
+	config.Fields.Headers.Default = FieldModeDrop
+	entry := getJSONEntry(t, config)
+	for k := range req.Header {
+		ExpectDeepEqual(t, entry.Headers[k], nil)
+	}
+
+	config.Fields.Headers.Config = map[string]FieldMode{
+		"Referer":    FieldModeKeep,
+		"User-Agent": FieldModeRedact,
+	}
+	entry = getJSONEntry(t, config)
+	ExpectDeepEqual(t, entry.Headers["Referer"], []string{req.Header.Get("Referer")})
+	ExpectDeepEqual(t, entry.Headers["User-Agent"], []string{RedactedValue})
+}
+
+func TestAccessLoggerJSONRedactHeaders(t *testing.T) {
+	config := DefaultConfig()
+	config.Fields.Headers.Default = FieldModeRedact
+	entry := getJSONEntry(t, config)
+	ExpectEqual(t, len(entry.Headers["Cookie"]), 0)
+	for k := range req.Header {
+		if k != "Cookie" {
+			ExpectDeepEqual(t, entry.Headers[k], []string{RedactedValue})
+		}
+	}
+}
+
+func TestAccessLoggerJSONKeepCookies(t *testing.T) {
+	config := DefaultConfig()
+	config.Fields.Headers.Default = FieldModeKeep
+	config.Fields.Cookies.Default = FieldModeKeep
+	entry := getJSONEntry(t, config)
+	ExpectEqual(t, len(entry.Headers["Cookie"]), 0)
+	for _, cookie := range req.Cookies() {
+		ExpectEqual(t, entry.Cookies[cookie.Name], cookie.Value)
+	}
+}
+
+func TestAccessLoggerJSONRedactCookies(t *testing.T) {
+	config := DefaultConfig()
+	config.Fields.Headers.Default = FieldModeKeep
+	config.Fields.Cookies.Default = FieldModeRedact
+	entry := getJSONEntry(t, config)
+	ExpectEqual(t, len(entry.Headers["Cookie"]), 0)
+	for _, cookie := range req.Cookies() {
+		ExpectEqual(t, entry.Cookies[cookie.Name], RedactedValue)
+	}
+}
+
+func TestAccessLoggerJSONDropQuery(t *testing.T) {
+	config := DefaultConfig()
+	config.Fields.Query.Default = FieldModeDrop
+	entry := getJSONEntry(t, config)
+	ExpectDeepEqual(t, entry.Query["foo"], nil)
+	ExpectDeepEqual(t, entry.Query["bar"], nil)
+}
+
+func TestAccessLoggerJSONRedactQuery(t *testing.T) {
+	config := DefaultConfig()
+	config.Fields.Query.Default = FieldModeRedact
+	entry := getJSONEntry(t, config)
+	ExpectDeepEqual(t, entry.Query["foo"], []string{RedactedValue})
+	ExpectDeepEqual(t, entry.Query["bar"], []string{RedactedValue})
+}

internal/net/http/accesslog/file_logger.go

@@ -0,0 +1,38 @@
+package accesslog
+
+import (
+	"fmt"
+	"os"
+	"sync"
+
+	"github.com/yusing/go-proxy/internal/task"
+)
+
+type File struct {
+	*os.File
+	sync.Mutex
+}
+
+var (
+	openedFiles   = make(map[string]AccessLogIO)
+	openedFilesMu sync.Mutex
+)
+
+func NewFileAccessLogger(parent task.Parent, cfg *Config) (*AccessLogger, error) {
+	openedFilesMu.Lock()
+
+	var io AccessLogIO
+	if opened, ok := openedFiles[cfg.Path]; ok {
+		io = opened
+	} else {
+		f, err := os.OpenFile(cfg.Path, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644)
+		if err != nil {
+			return nil, fmt.Errorf("access log open error: %w", err)
+		}
+		io = &File{File: f}
+		openedFiles[cfg.Path] = io
+	}
+
+	openedFilesMu.Unlock()
+	return NewAccessLogger(parent, io, cfg), nil
+}

internal/net/http/accesslog/file_logger_test.go

@@ -0,0 +1,95 @@
+package accesslog
+
+import (
+	"net/http"
+	"os"
+	"sync"
+	"testing"
+
+	. "github.com/yusing/go-proxy/internal/utils/testing"
+
+	"github.com/yusing/go-proxy/internal/task"
+)
+
+func TestConcurrentFileLoggersShareSameAccessLogIO(t *testing.T) {
+	var wg sync.WaitGroup
+
+	cfg := DefaultConfig()
+	cfg.Path = "test.log"
+	parent := task.RootTask("test", false)
+
+	loggerCount := 10
+	accessLogIOs := make([]AccessLogIO, loggerCount)
+
+	// make test log file
+	file, err := os.Create(cfg.Path)
+	ExpectNoError(t, err)
+	file.Close()
+	t.Cleanup(func() {
+		ExpectNoError(t, os.Remove(cfg.Path))
+	})
+
+	for i := range loggerCount {
+		wg.Add(1)
+		go func(index int) {
+			defer wg.Done()
+			logger, err := NewFileAccessLogger(parent, cfg)
+			ExpectNoError(t, err)
+			accessLogIOs[index] = logger.io
+		}(i)
+	}
+
+	wg.Wait()
+
+	firstIO := accessLogIOs[0]
+	for _, io := range accessLogIOs {
+		ExpectEqual(t, io, firstIO)
+	}
+}
+
+func TestConcurrentAccessLoggerLogAndFlush(t *testing.T) {
+	var file MockFile
+
+	cfg := DefaultConfig()
+	cfg.BufferSize = 1024
+	parent := task.RootTask("test", false)
+
+	loggerCount := 5
+	logCountPerLogger := 10
+	loggers := make([]*AccessLogger, loggerCount)
+
+	for i := range loggerCount {
+		loggers[i] = NewAccessLogger(parent, &file, cfg)
+	}
+
+	var wg sync.WaitGroup
+	req, _ := http.NewRequest(http.MethodGet, "http://example.com", nil)
+	resp := &http.Response{StatusCode: http.StatusOK}
+
+	for _, logger := range loggers {
+		wg.Add(1)
+		go func(l *AccessLogger) {
+			defer wg.Done()
+			parallelLog(l, req, resp, logCountPerLogger)
+			l.Flush(true)
+		}(logger)
+	}
+
+	wg.Wait()
+
+	expected := loggerCount * logCountPerLogger
+	actual := file.Count()
+	ExpectEqual(t, actual, expected)
+}
+
+func parallelLog(logger *AccessLogger, req *http.Request, resp *http.Response, n int) {
+	var wg sync.WaitGroup
+	wg.Add(n)
+	for range n {
+		go func() {
+			defer wg.Done()
+			logger.Log(req, resp)
+		}()
+	}
+	wg.Wait()
+}

internal/net/http/accesslog/filter.go

@@ -0,0 +1,99 @@
+package accesslog
+
+import (
+	"net"
+	"net/http"
+	"strings"
+
+	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/net/types"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+)
+
+type (
+	LogFilter[T Filterable] struct {
+		Negative bool
+		Values   []T
+	}
+	Filterable interface {
+		comparable
+		Fulfill(req *http.Request, res *http.Response) bool
+	}
+	HTTPMethod string
+	HTTPHeader struct {
+		Key, Value string
+	}
+	Host string
+	CIDR struct{ types.CIDR }
+)
+
+var ErrInvalidHTTPHeaderFilter = E.New("invalid http header filter")
+
+func (f *LogFilter[T]) CheckKeep(req *http.Request, res *http.Response) bool {
+	if len(f.Values) == 0 {
+		return !f.Negative
+	}
+	for _, check := range f.Values {
+		if check.Fulfill(req, res) {
+			return !f.Negative
+		}
+	}
+	return f.Negative
+}
+
+func (r *StatusCodeRange) Fulfill(req *http.Request, res *http.Response) bool {
+	return r.Includes(res.StatusCode)
+}
+
+func (method HTTPMethod) Fulfill(req *http.Request, res *http.Response) bool {
+	return req.Method == string(method)
+}
+
+// Parse implements strutils.Parser.
+func (k *HTTPHeader) Parse(v string) error {
+	split := strutils.SplitRune(v, '=')
+	switch len(split) {
+	case 1:
+		split = append(split, "")
+	case 2:
+	default:
+		return ErrInvalidHTTPHeaderFilter.Subject(v)
+	}
+	k.Key = split[0]
+	k.Value = split[1]
+	return nil
+}
+
+func (k *HTTPHeader) Fulfill(req *http.Request, res *http.Response) bool {
+	wanted := k.Value
+	// non canonical key matching
+	got, ok := req.Header[k.Key]
+	if wanted == "" {
+		return ok
+	}
+	if !ok {
+		return false
+	}
+	for _, v := range got {
+		if strings.EqualFold(v, wanted) {
+			return true
+		}
+	}
+	return false
+}
+
+func (h Host) Fulfill(req *http.Request, res *http.Response) bool {
+	return req.Host == string(h)
+}
+
+func (cidr CIDR) Fulfill(req *http.Request, res *http.Response) bool {
+	ip, _, err := net.SplitHostPort(req.RemoteAddr)
+	if err != nil {
+		ip = req.RemoteAddr
+	}
+	netIP := net.ParseIP(ip)
+	if netIP == nil {
+		return false
+	}
+	return cidr.Contains(netIP)
+}

internal/net/http/accesslog/filter_test.go

@@ -0,0 +1,188 @@
+package accesslog_test
+
+import (
+	"net/http"
+	"testing"
+
+	. "github.com/yusing/go-proxy/internal/net/http/accesslog"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+	. "github.com/yusing/go-proxy/internal/utils/testing"
+)
+
+func TestStatusCodeFilter(t *testing.T) {
+	values := []*StatusCodeRange{
+		strutils.MustParse[*StatusCodeRange]("200-308"),
+	}
+	t.Run("positive", func(t *testing.T) {
+		filter := &LogFilter[*StatusCodeRange]{}
+		ExpectTrue(t, filter.CheckKeep(nil, nil))
+
+		// keep any 2xx 3xx (inclusive)
+		filter.Values = values
+		ExpectFalse(t, filter.CheckKeep(nil, &http.Response{
+			StatusCode: http.StatusForbidden,
+		}))
+		ExpectTrue(t, filter.CheckKeep(nil, &http.Response{
+			StatusCode: http.StatusOK,
+		}))
+		ExpectTrue(t, filter.CheckKeep(nil, &http.Response{
+			StatusCode: http.StatusMultipleChoices,
+		}))
+		ExpectTrue(t, filter.CheckKeep(nil, &http.Response{
+			StatusCode: http.StatusPermanentRedirect,
+		}))
+	})
+
+	t.Run("negative", func(t *testing.T) {
+		filter := &LogFilter[*StatusCodeRange]{
+			Negative: true,
+		}
+		ExpectFalse(t, filter.CheckKeep(nil, nil))
+
+		// drop any 2xx 3xx (inclusive)
+		filter.Values = values
+		ExpectTrue(t, filter.CheckKeep(nil, &http.Response{
+			StatusCode: http.StatusForbidden,
+		}))
+		ExpectFalse(t, filter.CheckKeep(nil, &http.Response{
+			StatusCode: http.StatusOK,
+		}))
+		ExpectFalse(t, filter.CheckKeep(nil, &http.Response{
+			StatusCode: http.StatusMultipleChoices,
+		}))
+		ExpectFalse(t, filter.CheckKeep(nil, &http.Response{
+			StatusCode: http.StatusPermanentRedirect,
+		}))
+	})
+}
+
+func TestMethodFilter(t *testing.T) {
+	t.Run("positive", func(t *testing.T) {
+		filter := &LogFilter[HTTPMethod]{}
+		ExpectTrue(t, filter.CheckKeep(&http.Request{
+			Method: http.MethodGet,
+		}, nil))
+		ExpectTrue(t, filter.CheckKeep(&http.Request{
+			Method: http.MethodPost,
+		}, nil))
+
+		// keep get only
+		filter.Values = []HTTPMethod{http.MethodGet}
+		ExpectTrue(t, filter.CheckKeep(&http.Request{
+			Method: http.MethodGet,
+		}, nil))
+		ExpectFalse(t, filter.CheckKeep(&http.Request{
+			Method: http.MethodPost,
+		}, nil))
+	})
+
+	t.Run("negative", func(t *testing.T) {
+		filter := &LogFilter[HTTPMethod]{
+			Negative: true,
+		}
+		ExpectFalse(t, filter.CheckKeep(&http.Request{
+			Method: http.MethodGet,
+		}, nil))
+		ExpectFalse(t, filter.CheckKeep(&http.Request{
+			Method: http.MethodPost,
+		}, nil))
+
+		// drop post only
+		filter.Values = []HTTPMethod{http.MethodPost}
+		ExpectFalse(t, filter.CheckKeep(&http.Request{
+			Method: http.MethodPost,
+		}, nil))
+		ExpectTrue(t, filter.CheckKeep(&http.Request{
+			Method: http.MethodGet,
+		}, nil))
+	})
+}
+
+func TestHeaderFilter(t *testing.T) {
+	fooBar := &http.Request{
+		Header: http.Header{
+			"Foo": []string{"bar"},
+		},
+	}
+	fooBaz := &http.Request{
+		Header: http.Header{
+			"Foo": []string{"baz"},
+		},
+	}
+	headerFoo := []*HTTPHeader{
+		strutils.MustParse[*HTTPHeader]("Foo"),
+	}
+	ExpectEqual(t, headerFoo[0].Key, "Foo")
+	ExpectEqual(t, headerFoo[0].Value, "")
+	headerFooBar := []*HTTPHeader{
+		strutils.MustParse[*HTTPHeader]("Foo=bar"),
+	}
+	ExpectEqual(t, headerFooBar[0].Key, "Foo")
+	ExpectEqual(t, headerFooBar[0].Value, "bar")
+
+	t.Run("positive", func(t *testing.T) {
+		filter := &LogFilter[*HTTPHeader]{}
+		ExpectTrue(t, filter.CheckKeep(fooBar, nil))
+		ExpectTrue(t, filter.CheckKeep(fooBaz, nil))
+
+		// keep any foo
+		filter.Values = headerFoo
+		ExpectTrue(t, filter.CheckKeep(fooBar, nil))
+		ExpectTrue(t, filter.CheckKeep(fooBaz, nil))
+
+		// keep foo == bar
+		filter.Values = headerFooBar
+		ExpectTrue(t, filter.CheckKeep(fooBar, nil))
+		ExpectFalse(t, filter.CheckKeep(fooBaz, nil))
+	})
+	t.Run("negative", func(t *testing.T) {
+		filter := &LogFilter[*HTTPHeader]{
+			Negative: true,
+		}
+		ExpectFalse(t, filter.CheckKeep(fooBar, nil))
+		ExpectFalse(t, filter.CheckKeep(fooBaz, nil))
+
+		// drop any foo
+		filter.Values = headerFoo
+		ExpectFalse(t, filter.CheckKeep(fooBar, nil))
+		ExpectFalse(t, filter.CheckKeep(fooBaz, nil))
+
+		// drop foo == bar
+		filter.Values = headerFooBar
+		ExpectFalse(t, filter.CheckKeep(fooBar, nil))
+		ExpectTrue(t, filter.CheckKeep(fooBaz, nil))
+	})
+}
+
+func TestCIDRFilter(t *testing.T) {
+	cidr := []*CIDR{
+		strutils.MustParse[*CIDR]("192.168.10.0/24"),
+	}
+	ExpectEqual(t, cidr[0].String(), "192.168.10.0/24")
+	inCIDR := &http.Request{
+		RemoteAddr: "192.168.10.1",
+	}
+	notInCIDR := &http.Request{
+		RemoteAddr: "192.168.11.1",
+	}
+
+	t.Run("positive", func(t *testing.T) {
+		filter := &LogFilter[*CIDR]{}
+		ExpectTrue(t, filter.CheckKeep(inCIDR, nil))
+		ExpectTrue(t, filter.CheckKeep(notInCIDR, nil))
+
+		filter.Values = cidr
+		ExpectTrue(t, filter.CheckKeep(inCIDR, nil))
+		ExpectFalse(t, filter.CheckKeep(notInCIDR, nil))
+	})
+
+	t.Run("negative", func(t *testing.T) {
+		filter := &LogFilter[*CIDR]{Negative: true}
+		ExpectFalse(t, filter.CheckKeep(inCIDR, nil))
+		ExpectFalse(t, filter.CheckKeep(notInCIDR, nil))
+
+		filter.Values = cidr
+		ExpectFalse(t, filter.CheckKeep(inCIDR, nil))
+		ExpectTrue(t, filter.CheckKeep(notInCIDR, nil))
+	})
+}

internal/net/http/accesslog/formatter.go

@@ -0,0 +1,142 @@
+package accesslog
+
+import (
+	"bytes"
+	"encoding/json"
+	"net"
+	"net/http"
+	"net/url"
+	"strconv"
+	"time"
+)
+
+type (
+	CommonFormatter struct {
+		cfg        *Fields
+		GetTimeNow func() time.Time // for testing purposes only
+	}
+	CombinedFormatter struct{ CommonFormatter }
+	JSONFormatter     struct{ CommonFormatter }
+
+	JSONLogEntry struct {
+		Time        string              `json:"time"`
+		IP          string              `json:"ip"`
+		Method      string              `json:"method"`
+		Scheme      string              `json:"scheme"`
+		Host        string              `json:"host"`
+		URI         string              `json:"uri"`
+		Protocol    string              `json:"protocol"`
+		Status      int                 `json:"status"`
+		Error       string              `json:"error,omitempty"`
+		ContentType string              `json:"type"`
+		Size        int64               `json:"size"`
+		Referer     string              `json:"referer"`
+		UserAgent   string              `json:"useragent"`
+		Query       map[string][]string `json:"query,omitempty"`
+		Headers     map[string][]string `json:"headers,omitempty"`
+		Cookies     map[string]string   `json:"cookies,omitempty"`
+	}
+)
+
+const LogTimeFormat = "02/Jan/2006:15:04:05 -0700"
+
+func scheme(req *http.Request) string {
+	if req.TLS != nil {
+		return "https"
+	}
+	return "http"
+}
+
+func requestURI(u *url.URL, query url.Values) string {
+	uri := u.EscapedPath()
+	if len(query) > 0 {
+		uri += "?" + query.Encode()
+	}
+	return uri
+}
+
+func clientIP(req *http.Request) string {
+	clientIP, _, err := net.SplitHostPort(req.RemoteAddr)
+	if err == nil {
+		return clientIP
+	}
+	return req.RemoteAddr
+}
+
+// debug only.
+func (f *CommonFormatter) SetGetTimeNow(getTimeNow func() time.Time) {
+	f.GetTimeNow = getTimeNow
+}
+
+func (f *CommonFormatter) Format(line *bytes.Buffer, req *http.Request, res *http.Response) {
+	query := f.cfg.Query.ProcessQuery(req.URL.Query())
+
+	line.WriteString(req.Host)
+	line.WriteRune(' ')
+
+	line.WriteString(clientIP(req))
+	line.WriteString(" - - [")
+
+	line.WriteString(f.GetTimeNow().Format(LogTimeFormat))
+	line.WriteString("] \"")
+
+	line.WriteString(req.Method)
+	line.WriteRune(' ')
+	line.WriteString(requestURI(req.URL, query))
+	line.WriteRune(' ')
+	line.WriteString(req.Proto)
+	line.WriteString("\" ")
+
+	line.WriteString(strconv.Itoa(res.StatusCode))
+	line.WriteRune(' ')
+	line.WriteString(strconv.FormatInt(res.ContentLength, 10))
+}
+
+func (f *CombinedFormatter) Format(line *bytes.Buffer, req *http.Request, res *http.Response) {
+	f.CommonFormatter.Format(line, req, res)
+	line.WriteString(" \"")
+	line.WriteString(req.Referer())
+	line.WriteString("\" \"")
+	line.WriteString(req.UserAgent())
+	line.WriteRune('"')
+}
+
+func (f *JSONFormatter) Format(line *bytes.Buffer, req *http.Request, res *http.Response) {
+	query := f.cfg.Query.ProcessQuery(req.URL.Query())
+	headers := f.cfg.Headers.ProcessHeaders(req.Header)
+	headers.Del("Cookie")
+	cookies := f.cfg.Cookies.ProcessCookies(req.Cookies())
+
+	entry := JSONLogEntry{
+		Time:        f.GetTimeNow().Format(LogTimeFormat),
+		IP:          clientIP(req),
+		Method:      req.Method,
+		Scheme:      scheme(req),
+		Host:        req.Host,
+		URI:         requestURI(req.URL, query),
+		Protocol:    req.Proto,
+		Status:      res.StatusCode,
+		ContentType: res.Header.Get("Content-Type"),
+		Size:        res.ContentLength,
+		Referer:     req.Referer(),
+		UserAgent:   req.UserAgent(),
+		Query:       query,
+		Headers:     headers,
+		Cookies:     cookies,
+	}
+
+	if res.StatusCode >= 400 {
+		entry.Error = res.Status
+	}
+
+	if entry.ContentType == "" {
+		// try to get content type from request
+		entry.ContentType = req.Header.Get("Content-Type")
+	}
+
+	marshaller := json.NewEncoder(line)
+	err := marshaller.Encode(entry)
+	if err != nil {
+		logger.Err(err).Msg("failed to marshal json log")
+	}
+}

internal/net/http/accesslog/mock_file.go

@@ -0,0 +1,74 @@
+package accesslog
+
+import (
+	"bytes"
+	"io"
+	"sync"
+)
+
+type MockFile struct {
+	data     []byte
+	position int64
+	sync.Mutex
+}
+
+func (m *MockFile) Seek(offset int64, whence int) (int64, error) {
+	switch whence {
+	case io.SeekStart:
+		m.position = offset
+	case io.SeekCurrent:
+		m.position += offset
+	case io.SeekEnd:
+		m.position = int64(len(m.data)) + offset
+	}
+	return m.position, nil
+}
+
+func (m *MockFile) Write(p []byte) (n int, err error) {
+	m.data = append(m.data, p...)
+	n = len(p)
+	m.position += int64(n)
+	return
+}
+
+func (m *MockFile) Name() string {
+	return "mock"
+}
+
+func (m *MockFile) Read(p []byte) (n int, err error) {
+	if m.position >= int64(len(m.data)) {
+		return 0, io.EOF
+	}
+	n = copy(p, m.data[m.position:])
+	m.position += int64(n)
+	return n, nil
+}
+
+func (m *MockFile) ReadAt(p []byte, off int64) (n int, err error) {
+	if off >= int64(len(m.data)) {
+		return 0, io.EOF
+	}
+	n = copy(p, m.data[off:])
+	m.position += int64(n)
+	return n, nil
+}
+
+func (m *MockFile) Close() error {
+	return nil
+}
+
+func (m *MockFile) Truncate(size int64) error {
+	m.data = m.data[:size]
+	m.position = size
+	return nil
+}
+
+func (m *MockFile) Count() int {
+	m.Lock()
+	defer m.Unlock()
+	return bytes.Count(m.data[:m.position], []byte("\n"))
+}
+
+func (m *MockFile) Len() int64 {
+	return m.position
+}

internal/net/http/accesslog/retention.go

@@ -0,0 +1,198 @@
+package accesslog
+
+import (
+	"bufio"
+	"bytes"
+	"io"
+	"strconv"
+	"time"
+
+	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+)
+
+type Retention struct {
+	Days uint64 `json:"days"`
+	Last uint64 `json:"last"`
+}
+
+const chunkSizeMax int64 = 128 * 1024 // 128KB
+
+var (
+	ErrInvalidSyntax = E.New("invalid syntax")
+	ErrZeroValue     = E.New("zero value")
+)
+
+// Syntax:
+//
+// <N> days|weeks|months
+//
+// last <N>
+//
+// Parse implements strutils.Parser.
+func (r *Retention) Parse(v string) (err error) {
+	split := strutils.SplitSpace(v)
+	if len(split) != 2 {
+		return ErrInvalidSyntax.Subject(v)
+	}
+	switch split[0] {
+	case "last":
+		r.Last, err = strconv.ParseUint(split[1], 10, 64)
+	default: // <N> days|weeks|months
+		r.Days, err = strconv.ParseUint(split[0], 10, 64)
+		if err != nil {
+			return
+		}
+		switch split[1] {
+		case "days":
+		case "weeks":
+			r.Days *= 7
+		case "months":
+			r.Days *= 30
+		default:
+			return ErrInvalidSyntax.Subject("unit " + split[1])
+		}
+	}
+	if r.Days == 0 && r.Last == 0 {
+		return ErrZeroValue
+	}
+	return
+}
+
+func (r *Retention) rotateLogFile(file AccessLogIO) (err error) {
+	lastN := int(r.Last)
+	days := int(r.Days)
+
+	// Seek to end to get file size
+	size, err := file.Seek(0, io.SeekEnd)
+	if err != nil {
+		return err
+	}
+
+	// Initialize ring buffer for last N lines
+	lines := make([][]byte, 0, lastN|(days*1000))
+	pos := size
+	unprocessed := 0
+
+	var chunk [chunkSizeMax]byte
+	var lastLine []byte
+
+	var shouldStop func() bool
+	if days > 0 {
+		cutoff := time.Now().AddDate(0, 0, -days)
+		shouldStop = func() bool {
+			return len(lastLine) > 0 && !parseLogTime(lastLine).After(cutoff)
+		}
+	} else {
+		shouldStop = func() bool {
+			return len(lines) == lastN
+		}
+	}
+
+	// Read backwards until we have enough lines or reach start of file
+	for pos > 0 {
+		if pos > chunkSizeMax {
+			pos -= chunkSizeMax
+		} else {
+			pos = 0
+		}
+
+		// Seek to the current chunk
+		if _, err = file.Seek(pos, io.SeekStart); err != nil {
+			return err
+		}
+
+		var nRead int
+		// Read the chunk
+		if nRead, err = file.Read(chunk[unprocessed:]); err != nil {
+			return err
+		}
+
+		// last unprocessed bytes + read bytes
+		curChunk := chunk[:unprocessed+nRead]
+		unprocessed = len(curChunk)
+
+		// Split into lines
+		scanner := bufio.NewScanner(bytes.NewReader(curChunk))
+		for !shouldStop() && scanner.Scan() {
+			lastLine = scanner.Bytes()
+			lines = append(lines, lastLine)
+			unprocessed -= len(lastLine)
+		}
+		if shouldStop() {
+			break
+		}
+
+		// move unprocessed bytes to the beginning for next iteration
+		copy(chunk[:], curChunk[unprocessed:])
+	}
+
+	if days > 0 {
+		// truncate to the end of the log within last N days
+		return file.Truncate(pos)
+	}
+
+	// write lines to buffer in reverse order
+	// since we read them backwards
+	var buf bytes.Buffer
+	for i := len(lines) - 1; i >= 0; i-- {
+		buf.Write(lines[i])
+		buf.WriteRune('\n')
+	}
+
+	return writeTruncate(file, &buf)
+}
+
+func writeTruncate(file AccessLogIO, buf *bytes.Buffer) (err error) {
+	// Seek to beginning and truncate
+	if _, err := file.Seek(0, 0); err != nil {
+		return err
+	}
+
+	buffered := bufio.NewWriter(file)
+	// Write buffer back to file
+	nWritten, err := buffered.Write(buf.Bytes())
+	if err != nil {
+		return err
+	}
+	if err = buffered.Flush(); err != nil {
+		return err
+	}
+
+	// Truncate file
+	if err = file.Truncate(int64(nWritten)); err != nil {
+		return err
+	}
+
+	// check bytes written == buffer size
+	if nWritten != buf.Len() {
+		return io.ErrShortWrite
+	}
+	return
+}
+
+func parseLogTime(line []byte) (t time.Time) {
+	if len(line) == 0 {
+		return
+	}
+
+	var start, end int
+	const jsonStart = len(`{"time":"`)
+	const jsonEnd = jsonStart + len(LogTimeFormat)
+
+	if len(line) == '{' { // possibly json log
+		start = jsonStart
+		end = jsonEnd
+	} else { // possibly common or combined format
+		// Format: <virtual host> <host ip> - - [02/Jan/2006:15:04:05 -0700] ...
+		start = bytes.IndexRune(line, '[')
+		end = bytes.IndexRune(line[start+1:], ']')
+		if start == -1 || end == -1 || start >= end {
+			return
+		}
+	}
+
+	timeStr := line[start+1 : end]
+	t, _ = time.Parse(LogTimeFormat, string(timeStr)) // ignore error
+	return
+}

internal/net/http/accesslog/retention_test.go

@@ -0,0 +1,81 @@
+package accesslog_test
+
+import (
+	"testing"
+	"time"
+
+	. "github.com/yusing/go-proxy/internal/net/http/accesslog"
+	"github.com/yusing/go-proxy/internal/task"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+	. "github.com/yusing/go-proxy/internal/utils/testing"
+)
+
+func TestParseRetention(t *testing.T) {
+	tests := []struct {
+		input     string
+		expected  *Retention
+		shouldErr bool
+	}{
+		{"30 days", &Retention{Days: 30}, false},
+		{"2 weeks", &Retention{Days: 14}, false},
+		{"last 5", &Retention{Last: 5}, false},
+		{"invalid input", &Retention{}, true},
+	}
+
+	for _, test := range tests {
+		t.Run(test.input, func(t *testing.T) {
+			r := &Retention{}
+			err := r.Parse(test.input)
+			if !test.shouldErr {
+				ExpectNoError(t, err)
+			} else {
+				ExpectDeepEqual(t, r, test.expected)
+			}
+		})
+	}
+}
+
+func TestRetentionCommonFormat(t *testing.T) {
+	var file MockFile
+	logger := NewAccessLogger(task.RootTask("test", false), &file, &Config{
+		Format:     FormatCommon,
+		BufferSize: 1024,
+	})
+	for range 10 {
+		logger.Log(req, resp)
+	}
+	logger.Flush(true)
+	// test.Finish(nil)
+
+	ExpectEqual(t, logger.Config().Retention, nil)
+	ExpectTrue(t, file.Len() > 0)
+	ExpectEqual(t, file.Count(), 10)
+
+	t.Run("keep last", func(t *testing.T) {
+		logger.Config().Retention = strutils.MustParse[*Retention]("last 5")
+		ExpectEqual(t, logger.Config().Retention.Days, 0)
+		ExpectEqual(t, logger.Config().Retention.Last, 5)
+		ExpectNoError(t, logger.Rotate())
+		ExpectEqual(t, file.Count(), 5)
+	})
+
+	_ = file.Truncate(0)
+
+	timeNow := time.Now()
+	for i := range 10 {
+		logger.Formatter.(*CommonFormatter).GetTimeNow = func() time.Time {
+			return timeNow.AddDate(0, 0, -i)
+		}
+		logger.Log(req, resp)
+	}
+	logger.Flush(true)
+
+	// FIXME: keep days does not work
+	t.Run("keep days", func(t *testing.T) {
+		logger.Config().Retention = strutils.MustParse[*Retention]("3 days")
+		ExpectEqual(t, logger.Config().Retention.Days, 3)
+		ExpectEqual(t, logger.Config().Retention.Last, 0)
+		ExpectNoError(t, logger.Rotate())
+		ExpectEqual(t, file.Count(), 3)
+	})
+}

internal/net/http/accesslog/status_code_range.go

@@ -0,0 +1,52 @@
+package accesslog
+
+import (
+	"strconv"
+
+	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+)
+
+type StatusCodeRange struct {
+	Start int
+	End   int
+}
+
+var ErrInvalidStatusCodeRange = E.New("invalid status code range")
+
+func (r *StatusCodeRange) Includes(code int) bool {
+	return r.Start <= code && code <= r.End
+}
+
+// Parse implements strutils.Parser.
+func (r *StatusCodeRange) Parse(v string) error {
+	split := strutils.SplitRune(v, '-')
+	switch len(split) {
+	case 1:
+		start, err := strconv.Atoi(split[0])
+		if err != nil {
+			return E.From(err)
+		}
+		r.Start = start
+		r.End = start
+		return nil
+	case 2:
+		start, errStart := strconv.Atoi(split[0])
+		end, errEnd := strconv.Atoi(split[1])
+		if err := E.Join(errStart, errEnd); err != nil {
+			return err
+		}
+		r.Start = start
+		r.End = end
+		return nil
+	default:
+		return ErrInvalidStatusCodeRange.Subject(v)
+	}
+}
+
+func (r *StatusCodeRange) String() string {
+	if r.Start == r.End {
+		return strconv.Itoa(r.Start)
+	}
+	return strconv.Itoa(r.Start) + "-" + strconv.Itoa(r.End)
+}

internal/net/http/common.go

@@ -9,16 +9,20 @@ import (
 
 var (
 	defaultDialer = net.Dialer{
-		Timeout:   60 * time.Second,
-		KeepAlive: 60 * time.Second,
+		Timeout: 60 * time.Second,
 	}
 	DefaultTransport = &http.Transport{
 		Proxy:                 http.ProxyFromEnvironment,
 		DialContext:           defaultDialer.DialContext,
 		ForceAttemptHTTP2:     true,
 		MaxIdleConnsPerHost:   100,
+		IdleConnTimeout:       90 * time.Second,
 		TLSHandshakeTimeout:   10 * time.Second,
 		ExpectContinueTimeout: 1 * time.Second,
+		DisableCompression:    true, // Prevent double compression
+		ResponseHeaderTimeout: 30 * time.Second,
+		WriteBufferSize:       16 * 1024, // 16KB
+		ReadBufferSize:        16 * 1024, // 16KB
 	}
 	DefaultTransportNoTLS = func() *http.Transport {
 		clone := DefaultTransport.Clone()

internal/net/http/dummy_response_writer.go

@@ -1,15 +0,0 @@
-package http
-
-import "net/http"
-
-type DummyResponseWriter struct{}
-
-func (w DummyResponseWriter) Header() http.Header {
-	return make(http.Header)
-}
-
-func (w DummyResponseWriter) Write([]byte) (_ int, _ error) {
-	return
-}
-
-func (w DummyResponseWriter) WriteHeader(int) {}

internal/net/http/header_utils.go

@@ -4,6 +4,24 @@ import (
 	"net/http"
 )
 
+const (
+	HeaderXForwardedMethod = "X-Forwarded-Method"
+	HeaderXForwardedFor    = "X-Forwarded-For"
+	HeaderXForwardedProto  = "X-Forwarded-Proto"
+	HeaderXForwardedHost   = "X-Forwarded-Host"
+	HeaderXForwardedPort   = "X-Forwarded-Port"
+	HeaderXForwardedURI    = "X-Forwarded-Uri"
+	HeaderXRealIP          = "X-Real-IP"
+
+	HeaderUpstreamName   = "X-GoDoxy-Upstream-Name"
+	HeaderUpstreamScheme = "X-GoDoxy-Upstream-Scheme"
+	HeaderUpstreamHost   = "X-GoDoxy-Upstream-Host"
+	HeaderUpstreamPort   = "X-GoDoxy-Upstream-Port"
+
+	HeaderContentType   = "Content-Type"
+	HeaderContentLength = "Content-Length"
+)
+
 func RemoveHop(h http.Header) {
 	reqUpType := UpgradeType(h)
 	RemoveHopByHopHeaders(h)

internal/net/http/loadbalancer/ip_hash.go

@@ -14,7 +14,7 @@ type ipHash struct {
 	*LoadBalancer
 
 	realIP *middleware.Middleware
-	pool   servers
+	pool   Servers
 	mu     sync.Mutex
 }
 
@@ -24,9 +24,9 @@ func (lb *LoadBalancer) newIPHash() impl {
 		return impl
 	}
 	var err E.Error
-	impl.realIP, err = middleware.NewRealIP(lb.Options)
+	impl.realIP, err = middleware.RealIP.New(lb.Options)
 	if err != nil {
-		E.LogError("invalid real_ip options, ignoring", err, &impl.Logger)
+		E.LogError("invalid real_ip options, ignoring", err, &impl.l)
 	}
 	return impl
 }
@@ -60,7 +60,7 @@ func (impl *ipHash) OnRemoveServer(srv *Server) {
 	}
 }
 
-func (impl *ipHash) ServeHTTP(_ servers, rw http.ResponseWriter, r *http.Request) {
+func (impl *ipHash) ServeHTTP(_ Servers, rw http.ResponseWriter, r *http.Request) {
 	if impl.realIP != nil {
 		impl.realIP.ModifyRequest(impl.serveHTTP, rw, r)
 	} else {
@@ -72,7 +72,7 @@ func (impl *ipHash) serveHTTP(rw http.ResponseWriter, r *http.Request) {
 	ip, _, err := net.SplitHostPort(r.RemoteAddr)
 	if err != nil {
 		http.Error(rw, "Internal error", http.StatusInternalServerError)
-		impl.Err(err).Msg("invalid remote address " + r.RemoteAddr)
+		impl.l.Err(err).Msg("invalid remote address " + r.RemoteAddr)
 		return
 	}
 	idx := hashIP(ip) % uint32(len(impl.pool))

internal/net/http/loadbalancer/least_conn.go

@@ -27,18 +27,18 @@ func (impl *leastConn) OnRemoveServer(srv *Server) {
 	impl.nConn.Delete(srv)
 }
 
-func (impl *leastConn) ServeHTTP(srvs servers, rw http.ResponseWriter, r *http.Request) {
+func (impl *leastConn) ServeHTTP(srvs Servers, rw http.ResponseWriter, r *http.Request) {
 	srv := srvs[0]
 	minConn, ok := impl.nConn.Load(srv)
 	if !ok {
-		impl.Error().Msgf("[BUG] server %s not found", srv.Name)
+		impl.l.Error().Msgf("[BUG] server %s not found", srv.Name)
 		http.Error(rw, "Internal error", http.StatusInternalServerError)
 	}
 
 	for i := 1; i < len(srvs); i++ {
 		nConn, ok := impl.nConn.Load(srvs[i])
 		if !ok {
-			impl.Error().Msgf("[BUG] server %s not found", srv.Name)
+			impl.l.Error().Msgf("[BUG] server %s not found", srv.Name)
 			http.Error(rw, "Internal error", http.StatusInternalServerError)
 		}
 		if nConn.Load() < minConn.Load() {

internal/net/http/loadbalancer/loadbalancer.go

@@ -1,80 +1,79 @@
 package loadbalancer
 
 import (
-	"context"
 	"net/http"
 	"sync"
 	"time"
 
 	"github.com/rs/zerolog"
 	"github.com/yusing/go-proxy/internal/common"
-	idlewatcher "github.com/yusing/go-proxy/internal/docker/idlewatcher/types"
 	E "github.com/yusing/go-proxy/internal/error"
-	gphttp "github.com/yusing/go-proxy/internal/net/http"
-	"github.com/yusing/go-proxy/internal/net/http/middleware"
+	"github.com/yusing/go-proxy/internal/net/http/loadbalancer/types"
+	"github.com/yusing/go-proxy/internal/route/routes"
 	"github.com/yusing/go-proxy/internal/task"
 	"github.com/yusing/go-proxy/internal/watcher/health"
+	"github.com/yusing/go-proxy/internal/watcher/health/monitor"
 )
 
 // TODO: stats of each server.
 // TODO: support weighted mode.
 type (
 	impl interface {
-		ServeHTTP(srvs servers, rw http.ResponseWriter, r *http.Request)
+		ServeHTTP(srvs Servers, rw http.ResponseWriter, r *http.Request)
 		OnAddServer(srv *Server)
 		OnRemoveServer(srv *Server)
 	}
-	Config struct {
-		Link    string                `json:"link" yaml:"link"`
-		Mode    Mode                  `json:"mode" yaml:"mode"`
-		Weight  weightType            `json:"weight" yaml:"weight"`
-		Options middleware.OptionsRaw `json:"options,omitempty" yaml:"options,omitempty"`
-	}
-	LoadBalancer struct {
-		zerolog.Logger
 
+	LoadBalancer struct {
 		impl
 		*Config
 
-		task task.Task
+		task *task.Task
 
 		pool   Pool
 		poolMu sync.Mutex
 
-		sumWeight weightType
+		sumWeight Weight
 		startTime time.Time
-	}
 
-	weightType uint16
+		l zerolog.Logger
+	}
 )
 
-const maxWeight weightType = 100
+const maxWeight Weight = 100
 
 func New(cfg *Config) *LoadBalancer {
 	lb := &LoadBalancer{
-		Logger: logger.With().Str("name", cfg.Link).Logger(),
 		Config: new(Config),
-		pool:   newPool(),
+		pool:   types.NewServerPool(),
+		l:      logger.With().Str("name", cfg.Link).Logger(),
 	}
 	lb.UpdateConfigIfNeeded(cfg)
 	return lb
 }
 
 // Start implements task.TaskStarter.
-func (lb *LoadBalancer) Start(routeSubtask task.Task) E.Error {
+func (lb *LoadBalancer) Start(parent task.Parent) E.Error {
 	lb.startTime = time.Now()
-	lb.task = routeSubtask
-	lb.task.OnFinished("loadbalancer cleanup", func() {
+	lb.task = parent.Subtask("loadbalancer."+lb.Link, false)
+	parent.OnCancel("lb_remove_route", func() {
+		routes.DeleteHTTPRoute(lb.Link)
+	})
+	lb.task.OnFinished("cleanup", func() {
 		if lb.impl != nil {
 			lb.pool.RangeAll(func(k string, v *Server) {
 				lb.impl.OnRemoveServer(v)
 			})
 		}
-		lb.pool.Clear()
 	})
 	return nil
 }
 
+// Task implements task.TaskStarter.
+func (lb *LoadBalancer) Task() *task.Task {
+	return lb.task
+}
+
 // Finish implements task.TaskFinisher.
 func (lb *LoadBalancer) Finish(reason any) {
 	lb.task.Finish(reason)
@@ -82,11 +81,11 @@ func (lb *LoadBalancer) Finish(reason any) {
 
 func (lb *LoadBalancer) updateImpl() {
 	switch lb.Mode {
-	case Unset, RoundRobin:
+	case types.ModeUnset, types.ModeRoundRobin:
 		lb.impl = lb.newRoundRobin()
-	case LeastConn:
+	case types.ModeLeastConn:
 		lb.impl = lb.newLeastConn()
-	case IPHash:
+	case types.ModeIPHash:
 		lb.impl = lb.newIPHash()
 	default: // should happen in test only
 		lb.impl = lb.newRoundRobin()
@@ -103,10 +102,10 @@ func (lb *LoadBalancer) UpdateConfigIfNeeded(cfg *Config) {
 
 		lb.Link = cfg.Link
 
-		if lb.Mode == Unset && cfg.Mode != Unset {
+		if lb.Mode == types.ModeUnset && cfg.Mode != types.ModeUnset {
 			lb.Mode = cfg.Mode
 			if !lb.Mode.ValidateUpdate() {
-				lb.Error().Msgf("invalid mode %q, fallback to %q", cfg.Mode, lb.Mode)
+				lb.l.Error().Msgf("invalid mode %q, fallback to %q", cfg.Mode, lb.Mode)
 			}
 			lb.updateImpl()
 		}
@@ -136,7 +135,7 @@ func (lb *LoadBalancer) AddServer(srv *Server) {
 	lb.rebalance()
 	lb.impl.OnAddServer(srv)
 
-	lb.Debug().
+	lb.l.Debug().
 		Str("action", "add").
 		Str("server", srv.Name).
 		Msgf("%d servers available", lb.pool.Size())
@@ -156,7 +155,7 @@ func (lb *LoadBalancer) RemoveServer(srv *Server) {
 	lb.rebalance()
 	lb.impl.OnRemoveServer(srv)
 
-	lb.Debug().
+	lb.l.Debug().
 		Str("action", "remove").
 		Str("server", srv.Name).
 		Msgf("%d servers left", lb.pool.Size())
@@ -171,12 +170,14 @@ func (lb *LoadBalancer) rebalance() {
 	if lb.sumWeight == maxWeight {
 		return
 	}
-	if lb.pool.Size() == 0 {
+
+	poolSize := lb.pool.Size()
+	if poolSize == 0 {
 		return
 	}
 	if lb.sumWeight == 0 { // distribute evenly
-		weightEach := maxWeight / weightType(lb.pool.Size())
-		remainder := maxWeight % weightType(lb.pool.Size())
+		weightEach := maxWeight / Weight(poolSize)
+		remainder := maxWeight % Weight(poolSize)
 		lb.pool.RangeAll(func(_ string, s *Server) {
 			s.Weight = weightEach
 			lb.sumWeight += weightEach
@@ -193,7 +194,7 @@ func (lb *LoadBalancer) rebalance() {
 	lb.sumWeight = 0
 
 	lb.pool.RangeAll(func(_ string, s *Server) {
-		s.Weight = weightType(float64(s.Weight) * scaleFactor)
+		s.Weight = Weight(float64(s.Weight) * scaleFactor)
 		lb.sumWeight += s.Weight
 	})
 
@@ -225,18 +226,11 @@ func (lb *LoadBalancer) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
 		return
 	}
 	if r.Header.Get(common.HeaderCheckRedirect) != "" {
-		ctx, cancel := context.WithTimeout(r.Context(), 1*time.Second)
-		defer cancel()
-		// send dummy request to wake all servers
-		var dummyRW gphttp.DummyResponseWriter
+		// wake all servers
 		for _, srv := range srvs {
-			// wake only if server implements Waker
-			_, ok := srv.handler.(idlewatcher.Waker)
-			if !ok {
-				continue
+			if err := srv.TryWake(); err != nil {
+				lb.l.Warn().Err(err).Str("server", srv.Name).Msg("failed to wake server")
 			}
-			wakeReq := r.Clone(ctx)
-			srv.ServeHTTP(dummyRW, wakeReq)
 		}
 	}
 	lb.impl.ServeHTTP(srvs, rw, r)
@@ -250,10 +244,10 @@ func (lb *LoadBalancer) Uptime() time.Duration {
 func (lb *LoadBalancer) MarshalJSON() ([]byte, error) {
 	extra := make(map[string]any)
 	lb.pool.RangeAll(func(k string, v *Server) {
-		extra[v.Name] = v.healthMon
+		extra[v.Name] = v.HealthMonitor()
 	})
 
-	return (&health.JSONRepresentation{
+	return (&monitor.JSONRepresentation{
 		Name:    lb.Name(),
 		Status:  lb.Status(),
 		Started: lb.startTime,

internal/net/http/loadbalancer/loadbalancer_test.go

@@ -3,13 +3,14 @@ package loadbalancer
 import (
 	"testing"
 
+	loadbalance "github.com/yusing/go-proxy/internal/net/http/loadbalancer/types"
 	. "github.com/yusing/go-proxy/internal/utils/testing"
 )
 
 func TestRebalance(t *testing.T) {
 	t.Parallel()
 	t.Run("zero", func(t *testing.T) {
-		lb := New(new(Config))
+		lb := New(new(loadbalance.Config))
 		for range 10 {
 			lb.AddServer(&Server{})
 		}
@@ -17,25 +18,25 @@ func TestRebalance(t *testing.T) {
 		ExpectEqual(t, lb.sumWeight, maxWeight)
 	})
 	t.Run("less", func(t *testing.T) {
-		lb := New(new(Config))
-		lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .1)})
-		lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .2)})
-		lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .3)})
-		lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .2)})
-		lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .1)})
+		lb := New(new(loadbalance.Config))
+		lb.AddServer(&Server{Weight: loadbalance.Weight(float64(maxWeight) * .1)})
+		lb.AddServer(&Server{Weight: loadbalance.Weight(float64(maxWeight) * .2)})
+		lb.AddServer(&Server{Weight: loadbalance.Weight(float64(maxWeight) * .3)})
+		lb.AddServer(&Server{Weight: loadbalance.Weight(float64(maxWeight) * .2)})
+		lb.AddServer(&Server{Weight: loadbalance.Weight(float64(maxWeight) * .1)})
 		lb.rebalance()
 		// t.Logf("%s", U.Must(json.MarshalIndent(lb.pool, "", "  ")))
 		ExpectEqual(t, lb.sumWeight, maxWeight)
 	})
 	t.Run("more", func(t *testing.T) {
-		lb := New(new(Config))
-		lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .1)})
-		lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .2)})
-		lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .3)})
-		lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .4)})
-		lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .3)})
-		lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .2)})
-		lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .1)})
+		lb := New(new(loadbalance.Config))
+		lb.AddServer(&Server{Weight: loadbalance.Weight(float64(maxWeight) * .1)})
+		lb.AddServer(&Server{Weight: loadbalance.Weight(float64(maxWeight) * .2)})
+		lb.AddServer(&Server{Weight: loadbalance.Weight(float64(maxWeight) * .3)})
+		lb.AddServer(&Server{Weight: loadbalance.Weight(float64(maxWeight) * .4)})
+		lb.AddServer(&Server{Weight: loadbalance.Weight(float64(maxWeight) * .3)})
+		lb.AddServer(&Server{Weight: loadbalance.Weight(float64(maxWeight) * .2)})
+		lb.AddServer(&Server{Weight: loadbalance.Weight(float64(maxWeight) * .1)})
 		lb.rebalance()
 		// t.Logf("%s", U.Must(json.MarshalIndent(lb.pool, "", "  ")))
 		ExpectEqual(t, lb.sumWeight, maxWeight)

internal/net/http/loadbalancer/mode.go

@@ -1,32 +0,0 @@
-package loadbalancer
-
-import (
-	"github.com/yusing/go-proxy/internal/utils/strutils"
-)
-
-type Mode string
-
-const (
-	Unset      Mode = ""
-	RoundRobin Mode = "roundrobin"
-	LeastConn  Mode = "leastconn"
-	IPHash     Mode = "iphash"
-)
-
-func (mode *Mode) ValidateUpdate() bool {
-	switch strutils.ToLowerNoSnake(string(*mode)) {
-	case "":
-		return true
-	case string(RoundRobin):
-		*mode = RoundRobin
-		return true
-	case string(LeastConn):
-		*mode = LeastConn
-		return true
-	case string(IPHash):
-		*mode = IPHash
-		return true
-	}
-	*mode = RoundRobin
-	return false
-}

internal/net/http/loadbalancer/round_robin.go

@@ -13,7 +13,7 @@ func (*LoadBalancer) newRoundRobin() impl         { return &roundRobin{} }
 func (lb *roundRobin) OnAddServer(srv *Server)    {}
 func (lb *roundRobin) OnRemoveServer(srv *Server) {}
 
-func (lb *roundRobin) ServeHTTP(srvs servers, rw http.ResponseWriter, r *http.Request) {
+func (lb *roundRobin) ServeHTTP(srvs Servers, rw http.ResponseWriter, r *http.Request) {
 	index := lb.index.Add(1) % uint32(len(srvs))
 	srvs[index].ServeHTTP(rw, r)
 	if lb.index.Load() >= 2*uint32(len(srvs)) {

internal/net/http/loadbalancer/types.go

@@ -0,0 +1,14 @@
+package loadbalancer
+
+import (
+	"github.com/yusing/go-proxy/internal/net/http/loadbalancer/types"
+)
+
+type (
+	Server  = types.Server
+	Servers = types.Servers
+	Pool    = types.Pool
+	Weight  = types.Weight
+	Config  = types.Config
+	Mode    = types.Mode
+)

internal/net/http/loadbalancer/types/config.go

@@ -0,0 +1,8 @@
+package types
+
+type Config struct {
+	Link    string         `json:"link"`
+	Mode    Mode           `json:"mode"`
+	Weight  Weight         `json:"weight"`
+	Options map[string]any `json:"options,omitempty"`
+}

internal/net/http/loadbalancer/types/mode.go

@@ -0,0 +1,32 @@
+package types
+
+import (
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+)
+
+type Mode string
+
+const (
+	ModeUnset      Mode = ""
+	ModeRoundRobin Mode = "roundrobin"
+	ModeLeastConn  Mode = "leastconn"
+	ModeIPHash     Mode = "iphash"
+)
+
+func (mode *Mode) ValidateUpdate() bool {
+	switch strutils.ToLowerNoSnake(string(*mode)) {
+	case "":
+		return true
+	case string(ModeRoundRobin):
+		*mode = ModeRoundRobin
+		return true
+	case string(ModeLeastConn):
+		*mode = ModeLeastConn
+		return true
+	case string(ModeIPHash):
+		*mode = ModeIPHash
+		return true
+	}
+	*mode = ModeRoundRobin
+	return false
+}

internal/net/http/loadbalancer/types/server.go

@@ -1,9 +1,10 @@
-package loadbalancer
+package types
 
 import (
 	"net/http"
 	"time"
 
+	idlewatcher "github.com/yusing/go-proxy/internal/docker/idlewatcher/types"
 	"github.com/yusing/go-proxy/internal/net/types"
 	U "github.com/yusing/go-proxy/internal/utils"
 	F "github.com/yusing/go-proxy/internal/utils/functional"
@@ -16,18 +17,18 @@ type (
 
 		Name   string
 		URL    types.URL
-		Weight weightType
+		Weight Weight
 
 		handler   http.Handler
 		healthMon health.HealthMonitor
 	}
-	servers = []*Server
+	Servers = []*Server
 	Pool    = F.Map[string, *Server]
 )
 
-var newPool = F.NewMap[Pool]
+var NewServerPool = F.NewMap[Pool]
 
-func NewServer(name string, url types.URL, weight weightType, handler http.Handler, healthMon health.HealthMonitor) *Server {
+func NewServer(name string, url types.URL, weight Weight, handler http.Handler, healthMon health.HealthMonitor) *Server {
 	srv := &Server{
 		Name:      name,
 		URL:       url,
@@ -53,3 +54,17 @@ func (srv *Server) Status() health.Status {
 func (srv *Server) Uptime() time.Duration {
 	return srv.healthMon.Uptime()
 }
+
+func (srv *Server) TryWake() error {
+	waker, ok := srv.handler.(idlewatcher.Waker)
+	if ok {
+		if err := waker.Wake(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (srv *Server) HealthMonitor() health.HealthMonitor {
+	return srv.healthMon
+}

internal/net/http/loadbalancer/types/weight.go

@@ -0,0 +1,3 @@
+package types
+
+type Weight uint16