kubernetes之yaml简单使用

cat > npm.yaml << EOF
apiVersion: v1
kind: Service
metadata:
  name: nginx-php
spec:
  type: NodePort
  ports:
  - name: nginx
    port: 80
    protocol: TCP
    targetPort: 80
    nodePort: 30003
  selector:
    app: nginx-php
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-php
spec:
  selector:
    matchLabels:
      app: nginx-php
  replicas: 1
  template:
    metadata:
      labels:
        app: nginx-php
    spec:
      containers:
      - name: nginx-php
        image: 123.207.108.76:7788/nginx
        ports:
        - containerPort: 80
        volumeMounts:
        - name: nginx-data
          mountPath: /var/www/html 
        - name: nginx-conf
          mountPath: /etc/nginx/conf.d/
      volumes:
      - name: nginx-data
        hostPath:
         path: /root/k8s/nmp/html
      - name: nginx-conf
        hostPath:
         path: /root/k8s/nmp/conf
---
apiVersion: v1
kind: Service
metadata:
  name: php
spec:
  ports:
  - name: php
    port: 9000
    protocol: TCP
    targetPort: 9000
  selector:
    app: php
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: php
  labels:
    name: php
spec:
  replicas: 1
  selector:
    matchLabels:
      app: php
  template:
    metadata:
      labels:
        app: php
    spec:
      containers:
      - name: php
        image: 123.207.108.76:7788/php:5.6e
        volumeMounts:
        - mountPath: /var/www/html/
          name: nginx-data
        ports:
        - containerPort: 9000
      volumes:
      - name: nginx-data
        hostPath:
         path: /root/k8s/nmp/html
---
apiVersion: v1
kind: Service
metadata:
  name: mysql
#  labels:
#    app: mysql
spec:
  ports:
    - port: 3306
      targetPort: 3306
  selector:
    app: mysql
#  clusterIP: None
---
#使用deployment建立一个pod资源，旧的k8s版本可使用kind: ReplicationController 来建立pod
apiVersion: apps/v1beta1
kind: Deployment
metadata:
  name: mysql    #deployment的名称，全局惟一
spec:
  replicas: 1    # Pod副本期待数量，1表示只运行一个pod，里面一个容器
  template:     #根据此模板建立Pod的副本（实例）
    metadata:
      labels:        #符合目标的Pod拥有此标签。默认和name的值同样
        name: mysql
    spec:
      containers:     # Pod中容器的定义部分
      - name: mysql   #容器的名称
        image: 123.207.108.76:7788/mysql57   #容器对应的Docker Image镜像，若是在线pull名称必定要正确。
        imagePullPolicy: IfNotPresent    #参数说明：IfNotPresent ：若是本地存在镜像就优先使用本地镜像。
        ports:
        - containerPort: 3306    #容器暴露的端口号
          protocol: TCP
        env:                     #注入到容器的环境变量
          - name: MYSQL_ROOT_PASSWORD    #设置mysql root的密码
            value: "123456"
EOF