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Docker in LXC vs VM
(lemmy.ml)
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this post was submitted on 20 Feb 2025
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I don't use proxmox, so I guess I don't understand the appeal. I don't see any reason to backup a container or a VM, I just backup configs and data. Backing up a VM makes sense if you have a bunch of customizations, but that's pretty much the entire point of docker, you quarantine your customizations to your configs so it's completely reproducible if you have the configs and data.
Ease of use mostly, one click to restore everything including the OS is nice. Can also easily move them to other hosts for HA or maintenance.
Not everything runs in docker too, so it's extra useful for those VMs.
That's fair.
That said, I can't think of anything I'd want to run that doesn't work in docker, except maybe pf? But I'd probably put that on a dedicated machine anyway. Pretty much everything else runs on Linux or has a completely viable Linux alternative, so I could easily built a docker image for it.