this post was submitted on 20 Feb 2025
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Docker in LXC vs VM (lemmy.ml)
submitted 1 year ago by mr_jaaay@lemmy.ml to c/selfhosted@lemmy.world
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I run a small server with Proxmox, and I'm wondering what are your opinions on running Docker in separate LXC containers vs. running a specific VM for all Docker containers?

I started with LXC containers because I was more familiar with installing services the classic Linux way. I later added a VM specifically for running Docker containers. I'm thinking if I should continue this strategy and just add some more resources to the docker VM.

On one hand, backups seem to be easier with individual LXCs (I've had situations where I tried to update a Docker container but the new container broke the existing configuration and found it easiest just to restore the entire VM from backup). On the otherhand, it seems like more overhead to install Docker in each individual LXC.

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[–] mr_jaaay@lemmy.ml 2 points 1 year ago

It’s a dedicated server (a small Dell micro-pc). Thanks for the comment, I understand the logic, I was approaching it more from an end-user perspective of what’s easier to work with. Which given my skill set are LXC containers. I have a VM on top of Proxmox specifically for Docker :-)