Bare-Metal LoadBalancer on K3s: MetalLB + Traefik with ArgoCD (opens in new tab)

Originally published at woitzik.dev Cloud Kubernetes clusters get LoadBalancers for free. You create a Service of type LoadBalancer, and within seconds your cloud provider hands you a public IP. On a bare-metal K3s cluster running on Proxmox VMs, that request hangs in forever. This is the first thing that breaks every homelab Kubernetes setup. MetalLB fixes it — but wiring it up correctly with Traefik and ArgoCD has a few non-obvious steps. View the complete homelab infrastructure s...