apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: frontend-policy
  labels:
    app: rxminder
    component: frontend
spec:
  podSelector:
    matchLabels:
      component: frontend
  policyTypes:
    - Ingress
    - Egress
  ingress:
    - from:
        - podSelector:
            matchLabels:
              component: frontend
      ports:
        - protocol: TCP
          port: 80
  egress:
    - to:
        - podSelector:
            matchLabels:
              component: database
      ports:
        - protocol: TCP
          port: 5984
    - to:
        - podSelector:
            matchLabels:
              component: frontend
      ports:
        - protocol: TCP
          port: 80
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: database-policy
  labels:
    app: rxminder
    component: database
spec:
  podSelector:
    matchLabels:
      component: database
  policyTypes:
    - Ingress
    - Egress
  ingress:
    - from:
        - podSelector:
            matchLabels:
              component: frontend
      ports:
        - protocol: TCP
          port: 5984
  egress:
    - to:
        - podSelector:
            matchLabels:
              component: database
      ports:
        - protocol: TCP
          port: 5984