hey, I wonder to know how to expose TCP service with rke2-ingress-nginx. I cannot find any step by step tutorial. It seems I could edit a configmap like below, but It cannot work. Any suggestion on it. Great thanks.

apiVersion: v1
kind: ConfigMap
metadata:
  name: tcp-services
  namespace: ingress-nginx
data:
  9000: "default/example-go:8080"