this post was submitted on 15 Nov 2024
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I’m moving to a new machine soon and want to re-evaluate some security practices while I’m doing it. My current server is debian with all apps containerized in docker with root. I’d like to harden some stuff, especially vaultwarden but I’m concerned about transitioning to podman while using complex docker setups like nextcloud-aio. Do you have experience hardening your containers by switching? Is it worth it? How long is a piece of string?

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[–] asap@lemmy.world 6 points 5 hours ago (1 children)

I switched and was very glad to do so. You increase your security and so far I haven't seen any downside. Every container I've tried has worked without issues, even complex ones.

[–] ilmagico@lemmy.world 2 points 4 hours ago (1 children)

Was this with podman or rootless docker?

I also would like to switch to rootless, I have some experience with podman and, while I generally like it, it's not 100% compatible with (rootful) docker, and can have performance issues if you're not careful, especiallt with certain file systems like btrfs. I wonder if rootless docker is now better than podman, or preferred for some other reason.

[–] asap@lemmy.world 5 points 4 hours ago* (last edited 4 hours ago)

Rootless Podman :) It requires you to learn a little bit of new syntax, for example, the way you mount volumes and pass environment variables can be slightly different, but there's nothing that hasn't worked for me.

I'm using this on uBlue uCore, which I would also strongly recommend for security reasons.