Fix Next.js standalone build for Amplify WEB_COMPUTE

- Set output to standalone in next.config.js
- Update build artifacts to use .next/standalone
- Copy static files to standalone directory
- Remove invalid serverActions config

amplify.yml

@@ -10,14 +10,12 @@ frontend:
     build:
       commands:
         - npm run build
+        - cp -r public .next/standalone/
+        - cp -r .next/static .next/standalone/.next/
   artifacts:
-    baseDirectory: ./
+    baseDirectory: .next/standalone
     files:
-      - .next/**/*
+      - '**/*'
-      - node_modules/**/*
-      - package.json
-      - next.config.js
-      - public/**/*
   cache:
     paths:
       - node_modules/**/*

next.config.js

@@ -1,10 +1,7 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
   reactStrictMode: true,
-  // Ensure server-side features are enabled
+  output: 'standalone',
-  experimental: {
-    serverActions: true,
-  },
 }
 
 module.exports = nextConfig

terraform/main.tf

@@ -63,6 +63,8 @@ resource "aws_amplify_app" "filamenteka" {
   tags = {
     Name        = "Filamenteka"
     Environment = var.environment
+    # Disable GitHub App migration prompt
+    "amplify:github_app_migration" = "opted_out"
   }
 }