feat: stand-alone port s3 server (#6242)

* feat: single port s3 server

* fix: unable to PUT files if not in root dir

server/router.go

@@ -171,3 +171,8 @@ func Cors(r *gin.Engine) {
 	config.AllowMethods = conf.Conf.Cors.AllowMethods
 	r.Use(cors.New(config))
 }
+
+func InitS3(e *gin.Engine) {
+	Cors(e)
+	S3Server(e.Group("/"))
+}