feat(router): improve logging setup (#1289)

* feat(router): improve logging setup

* feat(config): add AppEnv configuration option

- Add AppEnv to Config struct
- Remove CacheControlMiddleware from router

* feat(middleware): add CacheControlMiddleware usage

- Integrate CacheControlMiddleware
- Enhance response caching capabilities

---------

Co-authored-by: zhendi.wang <[email protected]>

Author: zhendi

config/config.go

@@ -12,6 +12,7 @@ const (
 )
 
 type Config struct {
+	AppEnv         string `envconfig:"CSGHUB_PORTAL_APP_ENV" default:"development"`
 	ServerPort     int    `envconfig:"CSGHUB_PORTAL_SERVER_PORT" default:"8090"`
 	SuperUsers     string `envconfig:"CSGHUB_PORTAL_SUPER_USERS" default:""`
 	OnPremise      bool   `envconfig:"CSGHUB_PORTAL_ON_PREMISE" default:"true"`

internal/routes/router.go

@@ -39,18 +39,22 @@ func Initialize(svcCtx *svc.ServiceContext) (*gin.Engine, error) {
 		log.Fatalf("failed to create server: %v", err)
 	}
 
-	logFilePath := "./log/app.log"
-	err = os.MkdirAll(filepath.Dir(logFilePath), os.ModePerm)
-	if err != nil {
-		log.Fatalf("Failed to create directory: %v", err)
-	}
+	writer := os.Stdout
+	if svcCtx.Config.AppEnv == "development" {
+		logFilePath := "./log/app.log"
+		err = os.MkdirAll(filepath.Dir(logFilePath), os.ModePerm)
+		if err != nil {
+			log.Fatalf("Failed to create directory: %v", err)
+		}
 
-	f, err := os.OpenFile(logFilePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666)
-	if err != nil {
-		log.Fatalf("Can not open log file：%v", err)
+		f, err := os.OpenFile(logFilePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666)
+		if err != nil {
+			log.Fatalf("Can not open log file：%v", err)
+		}
+		writer = f
 	}
 
-	lh := slog.NewJSONHandler(f, &slog.HandlerOptions{
+	lh := slog.NewJSONHandler(writer, &slog.HandlerOptions{
 		AddSource: false,
 		Level:     slog.LevelInfo,
 	})