Fix Next static asset serving

frontend/package.json

@@ -5,8 +5,8 @@
   "type": "module",
   "scripts": {
     "dev": "NEXT_TELEMETRY_DISABLED=1 next dev -H 0.0.0.0",
-    "build": "NEXT_TELEMETRY_DISABLED=1 next build",
-    "start": "NEXT_TELEMETRY_DISABLED=1 next start -H 0.0.0.0",
+    "build": "NEXT_TELEMETRY_DISABLED=1 next build --webpack",
+    "start": "NEXT_TELEMETRY_DISABLED=1 NODE_ENV=production node server.mjs",
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {