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Safe Ecto Migrations - Recipes and Resources

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Safe Ecto Migrations - Recipes and Resources

There is a new community resource available on writing “Safe Ecto Migrations”. When we get a migration wrong, it can lock up your production servers with table locks!

This 4 part guide walks through:

  • Understanding Ecto migrations and what Postgres is actually doing
  • Setting up your mix release project for running migrations
  • Recipes for safely making many common changes
  • How to safely make batch data changes
  • Includes a Github repo with samples!

I hope this becomes a valuable resource for the Elixir community!

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