安装部署一个tomcat+mysql应用

apiVersion: v1

kind: ReplicationController

metadata:

name: myweb

spec:   //spec中是对RC对象的具体描述

replicas: 5

selector:

app: myweb

template:

metadata:

labels:   //选择器，用来选择对象的

app: myweb  //我选择了标签为app: myweb的pod

spec:    //对pod模版的具体描述

containers:

- image:  kubeguide/tomcat-app:v1

name: myweb

　　　   resources:

limits:

　　              cpu: "2"

memory: 4Gi

ports: 22

　　　　 - containerPort: 8080

　　　　 env:

- name: MYSQL_SERVICE_HOST

value: 'mysql'

- name: MYSQL_SERVICE_PORT

value: '3306'

创建tomcat service

apiVersion: v1
kind: Service
metadata:
   name: myweb

spec:
   selector:
      app: myweb
   type: NodePort
   ports:
   - port: 8888
     nodePort: 30008
     targetPort: 8080

mysql rc

apiVersion: v1
kind: ReplicationController
metadata:
    name: mysql

spec:
    replicas: 1
    selector:
       app: mysql
    template:
        metadata:
            labels:
                app: mysql
        spec:
             containers:
             - name: mysql
               image: mysql:5.7
               ports:
               - containerPort: 3306
               env:
               - name: MYSQL_ROOT_PASSWORD
                 value: "123456"

mysql service

apiVersion: v1
kind: Service
metadata:
  name: mysql
spec:
   selector:
        app: mysql
   type: NodePort
   ports:
   - port: 3306
     nodePort: 30006
     targetPort: 3306