Vercel FAQ

Common FAQ for Vercel

• What is the most common issue users face when deploying an application?

  One of the most common problems is receiving error messages during deployment.

• How can I troubleshoot deployment errors?

  You can check the logs for more specific information on the error, and also make sure your application code is functioning correctly.

• Will my application continue to run if I upgrade my plan?

  Yes, upgrading your plan will not disrupt the functionality of your application.

• Why is my application showing a 404 error after deployment?

  This could be due to incorrect routing settings or a missing index page in your application.

• How can I set up custom domains for my application?

  You can set up custom domains by adding a CNAME record pointing to Vercel's DNS servers.

• What should I do if my application is not scaling properly?

  You can contact our support team for assistance with scaling issues.

• Can I use a different deployment method instead of using Vercel's CLI?

  Yes, you can use our integration with GitHub or GitLab to deploy your application.

• Why is my website not loading on mobile devices?

  This could be caused by a responsive design issue within your application code.

• How can I configure HTTP headers for my application?

  You can use the vercel.json file to add your desired HTTP headers to your application's deployment configuration.

• Can I change the source code for my application after deployment?

  Yes, you can make changes to your source code and redeploy your application at any time.

• Is it possible to have multiple environments for my application?

  Yes, you can create different branches on your repository, each representing a different environment for your application.

• What happens when I merge a pull request on my application's repository?

  If your application is set up for automatic deployments, the changes will be automatically deployed to your production environment.

• How can I customize my application's error pages?

  You can use the _error.js file in your application to create custom error pages.

• Can I use a custom build command for my application?

  Yes, you can specify a custom build command in your package.json file and Vercel will use it during deployment.

• Is it possible to revert back to a previous deployment of my application?

  Yes, you can easily rollback to a previous deployment using the Vercel dashboard or CLI.