kind: ConfigMap
apiVersion: v1
metadata:
  name: tcp-services
  namespace: ingress-nginx
  labels:
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/part-of: ingress-nginx
data:
  3306: "mariadb/mydb-mariadb:3306"
  3307: "mariadb/mydb-mariadb-slave:3306"