add options for cdn and app

core.go

@@ -113,6 +113,26 @@ func (app *App) Run(router *httprouter.Router) {
 		router.ServeFiles("/public/*filepath", http.Dir("storage/public"))
 	}
 
+	// check if app engine is enable
+	AppEnableStr := os.Getenv("APP_ENABLE")
+	if "" == AppEnableStr {
+		AppEnableStr = "false"
+	}
+	AppEnable, _ := strconv.ParseBool(AppEnableStr)
+	if AppEnable {
+		router.ServeFiles("/app/*filepath", http.Dir("storage/app"))
+	}
+
+	// check if app engine is enable
+	CDNEnableStr := os.Getenv("CDN_ENABLE")
+	if "" == CDNEnableStr {
+		CDNEnableStr = "false"
+	}
+	CDNEnable, _ := strconv.ParseBool(CDNEnableStr)
+	if CDNEnable {
+		router.ServeFiles("/cdn/*filepath", http.Dir("storage/cdn"))
+	}
+
 	useHttpsStr := os.Getenv("App_USE_HTTPS")
 	if useHttpsStr == "" {
 		useHttpsStr = "false"