dockerfile for local build, makefile update

Dockerfile.dev

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+# Stage 1: 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
+
+# Only copy go.mod and go.sum initially for better caching
+COPY go.mod go.sum /src/
+
+RUN go mod download -x
+
+ENV GOCACHE=/root/.cache/go-build
+
+ARG VERSION
+ENV VERSION=${VERSION}
+
+COPY scripts /src/scripts
+COPY Makefile /src/
+
+COPY cmd /src/cmd
+COPY internal /src/internal
+COPY pkg /src/pkg
+
+RUN make build && \
+    mkdir -p /app/error_pages /app/certs && \
+    mv bin/godoxy /app/godoxy
+
+# Stage 2: Final image
+FROM scratch
+
+LABEL maintainer="yusing@6uo.me"
+LABEL proxy.exclude=1
+
+# copy timezone data
+COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
+
+# copy binary
+COPY --from=builder /app /app
+
+# copy example config
+COPY config.example.yml /app/config/config.yml
+
+# copy certs
+COPY --from=builder /etc/ssl/certs /etc/ssl/certs
+
+ENV DOCKER_HOST=unix:///var/run/docker.sock
+ENV GODOXY_DEBUG=0
+
+EXPOSE 80
+EXPOSE 8888
+EXPOSE 443
+
+WORKDIR /app
+
+CMD ["/app/godoxy"]