22: Running migrations in production with Patryk Bąk
Thinking Elixir Podcast
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How to Deploy a Data Migration in IEX?
In order to migrate it, were you saying that you paste your migration into IEX to run it? Yes, a script. It's like a script, the module with the function which does what we need to do, like update new field or do something. And then at that point, you can go ahead and deploy the code that actually uses the new field and everything should work and no downtime.
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