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How do you manage you DB in a docker environment? (sh.itjust.works)

submitted 3 weeks ago by Croquette@sh.itjust.works to c/selfhosted@lemmy.world

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Hello,

As the title suggests, how do you manage your DBs for docker services.

Do you spin a new DB for every new docker cluster or do you have a centralized DB that is accessible to the docker clusters.

What are the pros and cons of both method?

For the moment, I spin a new DB for every services as I feel it is easier to backup the service in case of a problem.

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[–] motruck@lemmy.zip 1 points 2 weeks ago

Try moving one of the services out of your combined database.

With a containerized database you stop it. Copy everything over to the other machine and start it.

With your set up you have to dump the database and import it on the other system.

You also get easier coarser performance isolation on a per service basis.

Oh yeah and OOM-killa ever get your database down. Well now they won't all die at once.

The overhead of running another database instance is easily with the above advantages.