Currently, I run Unraid and have all of my services’ setup there as docker containers. While this is nice and easy to setup initially, it has some major downsides:
It’s fragile. Unraid is prone to bugs/crashes with docker that take down my containers. It’s also not resilient so when things break I have to log in and fiddle.
It’s mutable. I can’t use any infrastructure-as-code tools like terraform, and configuration sort of just exist in the UI. I can’t really roll back or recover easily.
It’s single-node. Everything is tied to my one big server that runs the NAS, but I’d rather have the NAS as a separate fairly low-power appliance and then have a separate machine to handle things like VMs and containers.
So I’m looking ahead and thinking about what the next iteration of my homelab will look like. While I like unraid for the storage stuff, I’m a little tired of wrangling it into a container orchestrator and hypervisor, and I think this year I’ll split that job out to a dedicated machine. I’m comfortable with, and in fact prefer, IaC over fancy UIs and so would love to be able to use terraform or Pulumi or something like that. I would prefer something multi-node, as I want to be able to tie multiple machines together. And I want something that is fault-tolerant, as I host services for friends and family that currently require a lot of manual intervention to fix when they go down.
So the question is: how do you all do this? Kubernetes, docker-compose, Hashicorp Nomad? Do you run k3s, Harvester, or what? I’d love to get an idea of what people are doing and why, so I can get some ideas as to what I might do.
Haha yeah true, but it does come with the advantage that it’s super prevalent and so has a lot of tools and docs. Nearly every self-hosted service I use has a docs page for how to set it up with Kubernetes. (Although it’s not nearly as prevalent as plain docker)
With a basic understanding of how k8s works and an already running cluster, all one needs to know is how to run a service as a docker file to have it also run in k8s
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Haha yeah true, but it does come with the advantage that it’s super prevalent and so has a lot of tools and docs. Nearly every self-hosted service I use has a docs page for how to set it up with Kubernetes. (Although it’s not nearly as prevalent as plain docker)
With a basic understanding of how k8s works and an already running cluster, all one needs to know is how to run a service as a docker file to have it also run in k8s