this post was submitted on 16 Mar 2025
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I mean yeah it's all very complex for sure. Managing a cluster is very involved and k8s administration is typically a completely separate role from dev/devops. I am comfortable with the idea and I still run my selfhosted setup on docker because it's easier and I have no personal use for multi-node setups.
However when you get down to it pretty much everything in k8s solves a real problem that in a "traditional" infra would require lots of ad-hoc bullshit. The ingress system of k8s is, at a high level, a standardized recreation of the typical "haproxy+nginx+ad-hoc provisioning" setup you'd find in a "classical" private cloud deployment. TLS in, send to nginx, nginx chooses a relevant healthy back-end and reverse proxies the request. K8s doesn't really do anything crazy complex, the complexity is just inherent to having a many-to-many mapping of HTTP requests while optionally supporting multi-zone setups with local affinity and lifecycle management/awareness.
But unlike with a traditional deployment there's not a greybeard guru in the back who deployed it all and knows the ins-and-outs so it's quite common that the complexity is not understood and underappreciated by the "admins". That complexity is a blessing when you need to leverage it but a curse when you lack the expertise to understand what is happening holistically.
Kind of like a linux distro... It's amazing when it works but when libpam throws an error and you don't even know what that library is or does, well you're in for a fun evening.