11, k8s yaml的简单编写

[[email protected] ~]# cat a.yml 
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
  labels:
    app: nginx
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx ##这个名字必须和下面labels.app的名字一样，才可以准确找到被控制对象
#上面所有是控制器的定义
#下面所有是被控制对象的定义
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80
[ ~]# cat a.yml 
apiVersion