The answer
Because a project with no README or a vague one looks unprofessional. Write a clear README explaining what it is, key features, the tech stack, and how to run it locally. Clear writing is part of engineering.
Common Mistakes Developers Make While Finalizing React Projects
Why write a README for a React project?
More FAQs in Common Mistakes Developers Make While Finalizing React Projects
Because build errors only appear on the host if you skip it. Run npm run build locally first and fix any errors, so the deploy succeeds. A failed build on the host is far worse than catching it locally.
Because env vars are not set in the hosting dashboard, so the app falls back to default or localhost values. Always set production env vars in the dashboard before deploying, so the app calls the right backend.
Yes, or use a logger that respects environment. Leaving debug logs clutters the production console and can leak data. Clean up debug code as part of finalizing.
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