apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: gogs-to-mariadb
spec:
  podSelector:
    matchLabels:
      name: gogs
  policyTypes:
  - Egress
  egress:
  - to:
    - namespaceSelector:
        matchLabels:
          name: mariadb
    ports:
      - protocol: TCP
        port: 3306