Catch unsafe migrations in development

Identify database issues before they hit production.

allows you to declare database triggers in ruby in your models, and then generate appropriate migrations as they change

Provide an easy way to check the consistency of the database constraints with the application validations.

Catch unsafe PostgreSQL migrations in development and run them easier in production

Rein adds bunch of methods to your ActiveRecord migrations so you can easily tame your database.

Keep your DB schema in sync across all branches effortlessly. Install once, then use `rails db:migrate` normally — the gem handles phantom migration rollback automatically, eliminating schema conflicts and inconsistent database states. Stop wasting hours on DB maintenance locally, CI, staging/sandbox, or even production.