perf: set gin to release mode and remove redundant logs

Remove debug logs that are no longer needed and set Gin framework to release mode for better performance in production

Author: sharrlotte

main.go

@@ -14,6 +14,7 @@ import (
 )
 
 func main() {
+	gin.SetMode(gin.ReleaseMode)
 	// Load configuration
 	cfg := config.Load()
 
@@ -70,8 +71,6 @@ func main() {
 	})
 
 	log.Printf("Serving %s on port %s\n", dirname, cfg.Port)
-	log.Printf("Image serving: GET /<image-path>\n")
-	log.Printf("API endpoints: /api/v1/*\n")
 
 	utils.FixAllFiles(cfg)