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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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[–] possiblylinux127@lemmy.zip 1 points 1 year ago (1 children)

Personally I just Mount file shares within the VM

[–] conrad82@lemmy.world 1 points 1 year ago (1 children)

I tried that too for a time, using samba. But databases didn't work from a share. I just found it easier in the end to have volumes inside the LXC / VM directly

[–] possiblylinux127@lemmy.zip 2 points 1 year ago (1 children)

Using Samba for a database is crazy. You want unencrypted NFS.

Databases aren't all that big in my case so I usually just leave them be.

[–] conrad82@lemmy.world 1 points 1 year ago

When I have used nfs in the past, i have issues with different user ID. What is the best solution these days?

After becoming a father last year, the time I have for tinkering is close to 0. I found it easiest to keep all the data in the same vm / lxc, pretty straight forward to maintain