this post was submitted on 09 Jul 2025
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Hey! I have been using Ansible to deploy Dockers for a few services on my Raspberry Pi for a while now and it's working great, but I want to learn MOAR and I need help...

Recently, I've been considering migrating to bare metal K3S for a few reasons:

  • To learn and actually practice K8S.
  • To have redundancy and to try HA.
  • My RPi are all already running on MicroOS, so it kind of make sense to me to try other SUSE stuff (?)
  • Maybe eventually being able to manage my two separated servers locations with a neat k3s + Tailscale setup!

Here is my problem: I don't understand how things are supposed to be done. All the examples I find feel wrong. More specifically:

  • Am I really supposed to have a collection of small yaml files for everything, that I use with kubectl apply -f ?? It feels wrong and way too "by hand"! Is there a more scripted way to do it? Should I stay with everything in Ansible ??
  • I see little to no example on how to deploy the service containers I want (pihole, navidrome, etc.) to a cluster, unlike docker-compose examples that can be found everywhere. Am I looking for the wrong thing?
  • Even official doc seems broken. Am I really supposed to run many helm commands (some of them how just fails) and try and get ssl certs just to have Rancher and its dashboard ?!

I feel that having a K3S + Traefik + Longhorn + Rancher on MicroOS should be straightforward, but it's really not.

It's very much a noob question, but I really want to understand what I am doing wrong. I'm really looking for advice and especially configuration examples that I could try to copy, use and modify!

Thanks in advance,

Cheers!

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[–] jlh@lemmy.jlh.name 1 points 14 hours ago

https://docs.k3s.io/installation/uninstall

There is also a k3s option for Nixos, which removes the security and side-affect risks of running a random bash script installer.