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Should I move to Docker? (lemmy.ca)

submitted 2 years ago by GreatBlueHeron@lemmy.ca to c/selfhosted@lemmy.world

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I'm a retired Unix admin. It was my job from the early '90s until the mid '10s. I've kept somewhat current ever since by running various machines at home. So far I've managed to avoid using Docker at home even though I have a decent understanding of how it works - I stopped being a sysadmin in the mid '10s, I still worked for a technology company and did plenty of "interesting" reading and training.

It seems that more and more stuff that I want to run at home is being delivered as Docker-first and I have to really go out of my way to find a non-Docker install.

I'm thinking it's no longer a fad and I should invest some time getting comfortable with it?

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[–] infeeeee@lemm.ee 4 points 2 years ago (1 children)

like just docker run by itself, it's not the full command, you need a compose file: https://docs.docker.com/engine/reference/commandline/compose/

Basically it's the same as docker run, but all the configuration is read from a file, not from stdin, more easily reproducible, you just have to store those files. The important is compose commands are very important for selfhosting, when your containers expected to run all the time.

RTFM: https://docs.docker.com/compose/

[–] GreatBlueHeron@lemmy.ca 5 points 2 years ago

Yeah, I get it now. Just the way I read it the first time it sounded like you were saying that was a complete command and it was going to do something "magic" for me :-)