apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql-master-deploy
  namespace: epdc-mysql
  labels:
    deploy: mysql-master-deploy
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mysql-master-pod
  template:
    metadata:
      labels:
        app: mysql-master-pod
    spec:
      containers:
        - name: mysql-master-container
          image: mysql:8.0
          env:
            - name: MYSQL_ROOT_PASSWORD                      #以下是设置MySQL数据库的密码
              valueFrom:
                secretKeyRef:
                  name: mysql-master-secret
                  key: mysql-user-root-pwd
          ports:
            - containerPort: 3306
              protocol: TCP
              name: mysql-master-tcp-3306
          volumeMounts:
            - name: mysql-master-persistent-storage
              mountPath: /var/lib/mysql                      #MySQL容器的数据都是存在这个目录的，要对这个目录做数据持久化
            - name: mysql-master-config-volume               #表示一个挂载点的名称
              mountPath: /etc/mysql/mysql.conf.d/            #表示新挂载点的路径，这里就是mysql配置文件的路径
      volumes:
        - name: mysql-master-persistent-storage
          persistentVolumeClaim:
            claimName: mysql-master-pvc                      #指定pvc的名称
        - name: mysql-master-config-volume                   #表示挂载点的名称
          configMap:                                         #使用configmap
            name: mysql-master-config