K8s-NetworkPolicy.txt

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: redis-netpolicy
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  
  ingress:
  - from:
    - podSelector:
        matchLabels:
          role: frontend
    ports:
    - protocol: TCP
      port: 6379