> All-together I would've required 9 servers, 3 control pane, 3 app or pods, 3 storage. … Yes, k8s is a nice comfortable way, if you can afford it. But it’s exp

> All-together I would've required 9 servers, 3 control pane, 3 app or pods, 3 storage. … Yes, k8s is a nice comfortable way, if you can afford it. But it’s expensive and wasteful of resources. And we do have a climate crisis. You can run each of those roles on the same machine, achieving high availability from 3 total. For learning purposes you can run this all in VMs on a single machine. There are plenty of good reasons not to try kubernetes when it doesn’t fit your use case, but the overhead it imposes is mostly in time and expertise. Claiming it’s more costly in compute resources, and especially contributing climate crisis, is reaching.