nginx对K8s集群中的Service做负载均衡

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编写Service.yml文件

[root@master ~]# cat nginx.yml 
---
apiVersion: apps/v1
kind: Deployment
metadata: 
  name: web
spec:
  replicas: 2 
  selector: 
    matchLabels: 
      app: nginx 
  template: 
    metadata: 
      labels: 
        app: nginx
    spec: 
      volumes:
      - name: webstorage
        hostPath: 
          path: /var/www/html
      containers: 
      - name: web
        image: nginx
        imagePullPolicy: IfNotPresent
        volumeMounts: 
        - name: webstorage
          mountPath: /usr/share/nginx/html
...

---
apiVersion: v1
kind: Service
metadata: 
  name: web
spec: 
  type: NodePort
  ports: 
  - port: 80
    targetPort: 80
    protocol: TCP
    nodePort: 30000
  selector: 
    app: nginx

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