try:     _redis_client = Redis('redis')     print(_redis_client.info()) except Exception as e:     print(e) 

• docker yml

version: "3" services:   web:     build: .     ports:       - "8080:8080"     restart: always    redis:     image: redis:5-alpine     ports:       - "6379:6379"     volumes:       - "/data"     restart: always 

• k8s.yml

apiVersion: apps/v1 kind: Deployment metadata:   name: pytest spec:   replicas: 1   template:     metadata:       labels:         app: pytest     spec:       containers:         - name: web           image: '..'           ports:             - containerPort: 8080  ---  apiVersion: apps/v1 kind: Deployment metadata:   name: redis spec:     spec:       volumes:         - name: redis-data       containers:         - name: redis           image: redis:5-alpine           ports:             - containerPort: 6379               protocol: TCP           volumeMounts:             - name: redis-data               mountPath: /data   selector:     matchLabels:       app: redis   ---  apiVersion: v1 kind: Service metadata:   name: web spec:   type: NodePort   ports:   - name: "web"     port: 8080   selector:     app: pytest  --- apiVersion: v1 kind: Service metadata:   name: redis spec:   type: NodePort   ports:   - name: "redis"     port: 6379   selector:     app: redis 

• docker yml 可以连上 redis
• k8s yml 连不上 redis

怎么连上 k8s 的 redis