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Restart Docker Container Without root privileges (lemmy.cronyakatsuki.xyz)

submitted 6 months ago* (last edited 6 months ago) by [email protected] to c/[email protected]

14 comments fedilink hide all child comments

Hello, I have a mumble server running as a docker container.

I'm using lego to generate let's encrypt certificates using dns challenge as an unprivileged user.

My problem is that I need to restart the mumble server so that it can reload the ssl certificate, which means restarting the docker container.

Is there any way to do this withuot adding the user to docker group, since there are security issues with that group where it's easy to escalate to a root user.

I thought about maybe a user level systemd service could be able to do it, but wan't to hear your opinions?

EDIT: I mention mumble specifically here, but this can apply to any server that requires manual reload of ssl keys, like postfix for example. I'm also not againd the idea of converting to something like kubernetes or even podman ( which would be harder cause of file permissions on all my binds ) if they can allow for woking on the container without root privileges.

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[–] [email protected] 3 points 6 months ago (1 children)

Did you think about automating the certificate generation? You could put everything into a cron script. That's more or less the reason why certificates have such a short lifetime. To force automation.

[–] [email protected] 3 points 6 months ago

I am using it in a cron script, but the mumble server doesn't support automatic reload of the ssl certs, so I need to restart tge mumblr server to load the new certs. That's where my problem comes cause I run it inside docker.