[Discussion] Devs and Devops: if you have running containers in production, how are you upgrading those containers?
[Discussion] Devs and Devops: if you have running containers in production, how are you upgrading those containers?
Hey all!
I'm seeking guidance. I have a lot of apps that use ORMs like Mongoose or Sequelize or Sqlalchemy, or even just init-db scripts with raw SQL. Point is a lot of apps have changes to the data layer. When we program and make apps they tend to describe how they need to see a database. Sometimes its no trivial feat to do an upgrade - and even if you have a CI/CD pipeline in place what does that look like to have something like even lemmy upgrade in a container.
If you have these apps in production how are you handling these apps? Both developer perspective and devops welcomed.
I see the devs offering insight into maybe how the backend recognizes database state, while the devops perhaps either describing process and implementation.
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We do migrations for schema on app startup (built into the app).
Any general data changes are done outside the pipeline as a pre or post deployment step.
Migrations on startup aren’t perfect, you have to be careful that it doesn’t take too long on startup.
Honestly the pros outweighs the cons. You can fire up a new site/db without much effort which is something we do often.