update

next.config.ts

@@ -1,12 +1,15 @@
 import type { NextConfig } from "next";
 
+const allowedOrigin = process.env.NEXT_ALLOWED_DEV_ORIGIN;
+
 const nextConfig: NextConfig = {
-  /* config options here */
+  output: "standalone",
   trailingSlash: false,
   poweredByHeader: false,
-  allowedDevOrigins: [
-    "192.168.178.59", // deine PC-IP
-  ],
 };
 
+if (allowedOrigin) {
+  nextConfig.allowedDevOrigins = [allowedOrigin];
+}
+
 export default nextConfig;