You have a local Next.js 15 application running perfectly. It utilizes Server Actions, dynamic routes, and the latest React Server Components. You push to AWS Amplify Gen 2, expecting a Vercel-like experience. Instead, the build fails. You might see generic "Access Denied" errors during the deployment phase, a 503 error on the deployed URL, or the build process might simply run out of memory and crash silently. Deploying Server-Side Rendering (SSR) applications outside of the Vercel ecosystem requires understanding how the build artifacts are containerized. Here is the technical root cause analysis and the definitive configuration to deploy Next.js 15 to AWS Amplify Gen 2 successfully. The Root Cause: Infrastructure Impedance Mismatch To fix the build, you must understand what is breaking. When you deploy to Vercel, the platform automatically detects Next.js primitives and maps them to its proprietary Edge Network. AWS Amplify Gen 2 takes a different approach. It attempts t...
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