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.

  • conrad82@lemmy.worldEnglish
    2·
    2 days ago

    I used to use LXC, and switched to VM since internet said it was better.

    I kinda miss the LXC setup. Day to day I don’t notice any difference, but increasing storage space in VM was a small pain compared to LXC. In VM I increased disk size through proxmox, but then I had to increase the partition inside VM.

    In LXC you can just increase disk size and it immediately is available to the containers

    • hendrik@palaver.p3x.deEnglish
      3·
      2 days ago

      I don’t think the internet gave particularly good advice here. Sure, there are use-cases for both, and that’s why we have both approaches available. But you can’t say VMs are better than containers. They’re a different thing. They might even be worse in your case. But I mean in the end, all “simple thruths” are wrong.

      • conrad82@lemmy.worldEnglish
        1·
        2 days ago

        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

        • Possibly linux@lemmy.zipEnglish
          2·
          2 days ago

          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.worldEnglish
            1·
            1 day 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