https://fly.io/phoenix-files/safe-ecto-migrations/
Safe Ecto Migrations ยท The Phoenix Files
Running migrations in production environments without accidentally causing locks or long running operations takes some care and awareness. This guide lays it...
ecto migrationsphoenix files
https://devhints.io/phoenix-migrations
Phoenix: Ecto migrations cheatsheet
The one-page guide to Phoenix: Ecto migrations: usage, examples, links, snippets, and more.
phoenix ectomigrations