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Why docker (feddit.it)

submitted 10 months ago by [email protected] to c/[email protected]

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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[–] [email protected] -1 points 10 months ago (1 children)

My personal opinion is that Docker just makes things more difficult. Containers are fantastic, and I use plenty of them, but Docker is just one way to implement containers, and a bad one. I have a server that runs Proxmox; if I need to set up a new service, I just spin up a LXC and install what I need to. It gives all the advantages of a full Linux installation without taking up the resources of a full-fledged OS. With Docker, I would need a VM running the docker host, then I'd have to install my docker containers inside this host, then forward any ports or resources between the hypervisor, docker host, and docker container.

I just don't get the use-case for Docker. As far as I can tell, all it does is add another layer of complexity between the host machine and the container.

[–] [email protected] 2 points 10 months ago

Though this is more of a proxmox ease of use issue than docker, personally I swapped from it to pure debian server/host to run a similar manual setup with podman - so everything runs right on the host.

In theory I think you can achieve this with proxmox ssh'ing into the host and just treating it like a usual debian