由于国外的Docker Hub网速比较慢,我们从国内的Docker Hub拉取一个mysql的镜像到本地
- docker pull daocloud.io/library/mysql:5.7.4
将mysql镜像打tag,并且push到我们的私有Registry
- docker tag daocloud.io/library/mysql:5.7.4 10.0.0.10:5000/library/mysql:5.7.4
- docker push 10.0.0.10:5000/library/mysql:5.7.4
- The push refers to a repository [10.0.0.10:5000/library/mysql]
- 5f70bf18a086: Pushed
- 903c114b758c: Pushed
- c8c909bc9ac1: Pushed
- 6f19f89d53b4: Pushed
- 6e82deab235b: Pushed
- ca60b5cb617c: Pushed
- ac906c9ec95d: Pushed
- 4c816744690c: Pushed
- 5.7.4: digest: sha256:afe1630e8c9bd318a5e72b2536c2daacb96b8135cc2c6d3465262b5c7b7d1831 size: 3846
到此,我们mysql的镜像也准备就绪,下面开始部署我们的demo应用和mysql
创建mysql的部署yaml文件mysql-deployment.yaml
- apiVersion: v1
- kind: Service
- metadata:
- name: mysql
- labels:
- app: mysql
- spec:
- ports:
- - port: 3306
- selector:
- app: mysql
- clusterIP: None
-
- ---
- apiVersion: apps/v1 # for k8s versions before 1.9.0 use apps/v1beta2 and before 1.8.0 use extensions/v1beta1
- kind: Deployment
- metadata:
- name: mysql
- labels:
- app: mysql
- spec:
- selector:
- matchLabels:
- app: mysql
- template:
- metadata:
- labels:
- app: mysql
- spec:
- containers:
- - image: 10.0.0.10:5000/library/mysql:5.7.4
- name: mysql
- env:
- - name: MYSQL_ROOT_PASSWORD
- value: "123456"
- - name: MYSQL_DATABASE
- value: "demo"
- livenessProbe:
- tcpSocket:
- port: 3306
- ports:
- - containerPort: 3306
- name: mysql
-
通过环境变量初始化了一些参数:
- MYSQL_ROOT_PASSWORD为mysql的root密码
- MYSQL_DATABASE为mysql启动后默认创建的数据库
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