---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: deny-db-traffic
  labels:
    app: reddit
spec:
  podSelector:
    matchLabels:
      app: reddit
      component: mongo
  policyTypes:
    - Ingress
  ingress:
    - from:
      - podSelector:
          matchLabels:
            app: reddit
            component: comment
      - podSelector:
          matchLabels:
            app: reddit
            component: post
