I’m pretty new to the self hosting thing but I’m enjoying it a lot and want to go a bit further down the proverbial rabbit hole.

I’m looking at a bunch of services and they all require a DB, usually a MySQL DB. It seems counterintutitive to have 20 MySQL databases each in its own Docker container. So is there a way to have one DB across most of my services? (I realize that Nextcloud and other bigger items should have a dedicted DB.)

How would I set up a shared DB in a docker-compose file?

  • ancoraunamoka@lemmy.dbzer0.com
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    1 year ago

    Not only it can be done but I think it is the way to go. You then have to manage permissions and backup only on one database, and the performance improves given that you let postgresql manage it’s own IO. It goes without saying that you should use postgresql instead of mysql