What are some tips for Rails migrations?

What are some tips for Rails migrations?

When performing Rails migrations, always back up your database first. This ensures you can restore it if something goes wrong.

What should I do if a migration fails?

If a migration fails, you can roll it back using rails db:rollback. Check the error message to understand what went wrong.

How can I speed up my migrations?

To speed up migrations, avoid using add_index in the same migration as create_table. Instead, create indexes in a separate migration.

Are there any best practices for writing migrations?

Yes! Keep migrations small and focused, use descriptive names, and always test them in a staging environment before running in production.