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Why docker (feddit.it)

submitted 10 months ago by Shimitar@feddit.it to c/selfhosted@lemmy.world

81 comments fedilink hide all child comments

Hi! Question in the title.

I get that its super easy to setup. But its really worthwhile to have something that:

runs everything as root (not many well built images with proper useranagement it seems)
you cannot really know which stuff is in the images: you must trust who built it
lots of mess in the system (mounts, fake networks, rules...)

I always host on bare metal when I can, but sometimes (immich, I look at you!) Seems almost impossible.

I get docker in a work environment, but on self hosted? Is it really worth while? I would like to hear your opinions fellow hosters.

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[–] haui_lemmy@lemmy.giftedmc.com 29 points 10 months ago* (last edited 10 months ago) (2 children)

Imo, yes.

only run containers from trusted sources (btw. google, ms, apple have proven they cant be trusted either)
run apps without dependency hell
even if someone breaks in, they’re not in your system but in a container
have everything web facing separate from the rest
get per app resource statistics

Those are just what was in my head. Probably more to be said.

[–] invertedspear@lemm.ee 6 points 10 months ago (1 children)

Also the ability to snapshot an image, goof around with changes, and if you don’t like them restore the snapshot makes it much easier to experiment than trying to unwind all the changes you make.

[–] haui_lemmy@lemmy.giftedmc.com 1 points 10 months ago

I havent actually tried that. Might need to check it out. :)

[–] Gooey0210@sh.itjust.works -3 points 10 months ago (1 children)

Even if someone breaks in, they are not a user, but root 🤝

[–] haui_lemmy@lemmy.giftedmc.com 3 points 10 months ago

*in that container, not in the system