postdeploy/helm/externaldns/templates/networkpolicy.yaml

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-{{ include "app.name" . }}-egress
spec:
  podSelector:
    matchLabels:
      app: {{ include "app.name" . }}
  egress:
  - {}
  policyTypes:
  - Egress