apiVersion: v1
kind: ConfigMap
metadata:
  name: coredns
  namespace: kube-system
data:
  Corefile: |
    .:53 {
        errors
        log stdout
        health
        kubernetes cluster.local {
          cidrs 172.17.255.0/24
        }
        proxy . /etc/resolv.conf
        cache 30
    }
