That's a really good article. Actually, recently we were migrating as well and we were using dedicated nodes in our setup.

In order to integrate a load-balancer provided by hetzner with our k8s on dedicated servers we had to implement a super thin operator that does it: https://github.com/Intreecom/robotlb

If anyone will be inspired by this article and would want to do the same, feel free to use this project.