---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: hello-gin
spec:
  podSelector:
    matchLabels:
      app: hello-gin
  policyTypes:
    - Ingress
    - Egress
  ingress:
    - from:
        - podSelector:
            matchLabels:
              app.kubernetes.io/name: prometheus
    - from:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: default
          podSelector:
            matchLabels:
              app.kubernetes.io/instance: shared
              app.kubernetes.io/name: traefik