asdf

 

# 24_np.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: np-backend
  namespace: project-snake
spec:
  podSelector:
    matchLabels:
      app: backend
  policyTypes:
    - Egress                    # policy is only about Egress
  egress:
    -                           # first rule
      to:                           # first condition "to"
      - podSelector:
          matchLabels:
            app: db1
      ports:                        # second condition "port"
      - protocol: TCP
        port: 1111
    -                           # second rule
      to:                           # first condition "to"
      - podSelector:
          matchLabels:
            app: db2
      ports:                        # second condition "port"
      - protocol: TCP
        port: 2222