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Why Your Full-Stack App Breaks in Production (and How Nginx Fixes It)

You've built a full-stack application. On your local machine, everything runs like a charm. React or Next.js is running happily on port 3000, your Node or Express backend is cruising on port 5000, and…

  • Full-stack app breaks in production due to localhost illusion
  • Nginx acts as reverse proxy to fix CORS, SSL, and URL issues
  • Proper Nginx configuration avoids 404 errors and secures backend

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