LESSON 09 / 9·2 min readIntermediate

What should I check before deploying Next.js?

Try code in the playground
01 Understand02 Recall03 Prepare

Understand the concept

Deploying Next.js means matching the application's rendering and server features with the hosting environment. A static export cannot provide every capability that requires a running server. Configuration, secrets, cache behavior and protected-route handling must therefore be checked in the actual deployment mode.

Important ideas

  • Confirm the host supports the server features the app uses.

  • Keep secrets out of browser bundles and verify environment settings.

  • Check image sizes, cache rules, error states and direct navigation to protected pages.

  • Verify deep links, refreshes and authentication after deployment, not only client navigation from the home page.

PAUSE & RECALL

Can you explain it without the notes?

What should I check before deploying Next.js?

Use your own words. Explain an example and one limitation before checking the explanation.

Check your explanation

Deploying Next.js means matching the application's rendering and server features with the hosting environment. A static export cannot provide every capability that requires a running server. Configuration, secrets, cache behavior and protected-route handling must therefore be checked in the actual deployment mode.

CONNECT IT TO YOUR INTERVIEW

Turn this concept into a clear answer.

  • Build success proves compilation, while deployment verification proves the required runtime behavior.
Practice this concept
YOUR NEXT STEP

You’ve reached the end of this guide.

Prepare for Next.js interviews

Adapted from 06_REACT_NEXTJS.md · “What should I check before deploying Next.js?”. Examples are study fragments; framework behavior can depend on your version.