apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-network-policy
  namespace: storefront
spec:
  podSelector:
    matchLabels:
      app: frontend
  policyTypes:
  - Egress
  egress:
  - to:
    - namespaceSelector:
        matchLabels:
          kubernetes.io/metadata.name: payments-mesh
      podSelector:
        matchLabels:
          app: payments-api
    ports:
    - protocol: TCP
      port: 8080
  - to:
    - namespaceSelector:
        matchLabels:
          kubernetes.io/metadata.name: kube-system
      podSelector:
        matchLabels:
          k8s-app: kube-dns
    ports:
    - port: 53
      protocol: TCP
    - port: 53
      protocol: UDP