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Should I move to Docker? (lemmy.ca)

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

206 comments fedilink hide all child comments

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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[–] MaximilianKohler@lemmy.world 1 points 2 years ago (1 children)

It seems like docker would be heavy on resources since it installs & runs everything (mysql, nginx, etc.) numerous times (once for each container), instead of once globally. Is that wrong?

[–] lemmyvore@feddit.nl 2 points 2 years ago

There's nothing stopping you from using a single instance of those and only adding databases and config. The configs that come with projects set them up individually because they need to offer full examples but those configs are only meant as a guideline.

Also keep in mind that the overhead of just running multiple instances isn't very big. The resources are consumed when you start having connections and using CPU and storing data and so on, and those are going to be the same no matter how many instances you have.