this post was submitted on 17 Aug 2023
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"Support" containers - centralized or separate per service? (lemmy.reddeth.com)
submitted 1 year ago by [email protected] to c/[email protected]
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Hello all! Just curious what y'alls typical setup is when it comes to running multiple stacks which require the same "support" containers.

What I mean is, say you want to run two services that both require a connection to a database, would you run two separate DB containers, one for each service and have them connected only to their respective DB "stacks"? Or do you prefer to run a single centralized DB server/service and have your self hosted stacks all communicate with their own databases inside the server?

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[–] [email protected] 1 points 1 year ago

I do a separate container for each service that requires a db. It's pretty baked into my backup strategy at this point where the script I wrote references environment variables for dumps in a way that I don't have to update it for every new service I deploy.

If the container name has -dbm on the end it's MySQL, -dbp is postgres, and -dbs would be SQLite if it needed its own containers. The suffix triggers the appropriate backup command that pulls the user, password, and db name from environment variables in the container.

I'm not too concerned about system overhead, but I'm debating doing a single container for each db type just to do it, but I also like not having a single point of failure for all my services (I even run different VMs to keep stable services from being impacted by me testing random stuff out.)