What are some tips for deploying a Ruby on Rails app on Heroku?

What are some tips for deploying a Ruby on Rails app on Heroku?

Here are some tips for deploying your Ruby on Rails app on Heroku:

1. Ensure your app is using a compatible Ruby version.
2. Use the PostgreSQL database, as it's the default for Heroku.
3. Set up your environment variables using Heroku's config vars.
4. Precompile your assets before deployment.
5. Monitor your app's performance using Heroku's logging tools.

How do I set up environment variables on Heroku?

You can set environment variables on Heroku using the command line. Run heroku config:set VAR_NAME=value to set a variable, and heroku config to view all your config vars.

What should I do if my app crashes after deployment?

If your app crashes, check the Heroku logs using heroku logs --tail to identify the issue. Common problems include missing environment variables or database connection errors.

Can I use a custom domain with my Heroku app?

Yes, you can use a custom domain with your Heroku app. You'll need to add the domain in your Heroku settings and configure your DNS records accordingly.