1.nginx.yaml

[root@k8s186 nginx]# cat nginx_deployment.yaml 
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deploy
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2
  template:
    metadata: 
      labels:
        app: nginx
    spec:
      containers:
      - name: ngixn-cluster
        image: nginx:latest
        ports:
        - containerPort: 8081
        volumeMounts:
        - name: nginx1
          mountPath: /etc/nginx/nginx.conf
          subPath: nginx.conf
      volumes:
      - name: nginx1
        configMap:
          name: nginxconf
          items:
          - key: nginx.conf
            path: nginx.conf
View Code

2.创建configmap

kubectl create configmap nginxconf --from-file=nginx.conf
3.kubectl create -f nginx.yaml
 
注：无法做到热更新，可以手动重启pod