chore: add ROOT_DIR environment variable, refactor

internal/common/constants.go

@@ -1,46 +1,10 @@
 package common
 
-import (
-	"time"
-)
-
-// file, folder structure
-
-const (
-	DotEnvPath        = ".env"
-	DotEnvExamplePath = ".env.example"
-
-	ConfigBasePath         = "config"
-	ConfigFileName         = "config.yml"
-	ConfigExampleFileName  = "config.example.yml"
-	ConfigPath             = ConfigBasePath + "/" + ConfigFileName
-	HomepageJSONConfigPath = ConfigBasePath + "/.homepage.json"
-	IconListCachePath      = ConfigBasePath + "/.icon_list_cache.json"
-	IconCachePath          = ConfigBasePath + "/.icon_cache.json"
-
-	MiddlewareComposeBasePath = ConfigBasePath + "/middlewares"
-
-	ComposeFileName        = "compose.yml"
-	ComposeExampleFileName = "compose.example.yml"
-
-	ErrorPagesBasePath = "error_pages"
-
-	AgentCertsBasePath = "certs"
-)
-
-var RequiredDirectories = []string{
-	ConfigBasePath,
-	ErrorPagesBasePath,
-	MiddlewareComposeBasePath,
-}
+import "time"
 
 const DockerHostFromEnv = "$DOCKER_HOST"
 
 const (
 	HealthCheckIntervalDefault = 5 * time.Second
 	HealthCheckTimeoutDefault  = 5 * time.Second
-
-	WakeTimeoutDefault = "30s"
-	StopTimeoutDefault = "30s"
-	StopMethodDefault  = "stop"
 )

internal/common/env.go

@@ -19,6 +19,8 @@ var (
 	IsDebug = GetEnvBool("DEBUG", IsTest)
 	IsTrace = GetEnvBool("TRACE", false) && IsDebug
 
+	RootDir = GetEnvString("ROOT_DIR", "./")
+
 	HTTP3Enabled = GetEnvBool("HTTP3_ENABLED", true)
 
 	ProxyHTTPAddr,

internal/common/paths.go

@@ -0,0 +1,31 @@
+package common
+
+import (
+	"path/filepath"
+)
+
+// file, folder structure
+
+var (
+	ConfigDir             = filepath.Join(RootDir, "config")
+	ConfigFileName        = "config.yml"
+	ConfigExampleFileName = "config.example.yml"
+	ConfigPath            = filepath.Join(ConfigDir, ConfigFileName)
+
+	MiddlewareComposeDir = filepath.Join(ConfigDir, "middlewares")
+	ErrorPagesDir        = filepath.Join(RootDir, "error_pages")
+	CertsDir             = filepath.Join(RootDir, "certs")
+
+	DataDir        = filepath.Join(RootDir, "data")
+	MetricsDataDir = filepath.Join(DataDir, "metrics")
+
+	HomepageJSONConfigPath = filepath.Join(DataDir, "homepage.json")
+	IconListCachePath      = filepath.Join(DataDir, "icon_list_cache.json")
+	IconCachePath          = filepath.Join(DataDir, "icon_cache.json")
+)
+
+var RequiredDirectories = []string{
+	ConfigDir,
+	ErrorPagesDir,
+	MiddlewareComposeDir,
+}