apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql-server
spec: #spec do Deployment
  replicas: 1

  selector: # selector utilizado para criar o service
    matchLabels:
      app: mysql-server
      tier: db

  template: #referente ao POD
    metadata:
      labels:
        app: mysql-server
        tier: db
    spec: #spec do POD
      containers:
      - image: mysql:5.7
        name: mysql-server
        args:
          - "--ignore-db-dir=lost+found"
        env:
          - name: MYSQL_ROOT_PASSWORD
            valueFrom: 
              secretKeyRef:
                name: mysql-pass
                key: password
        ports:
          - containerPort: 3306
        volumeMounts: # monta volume efetivamente
        - name: mysql-persistent-storage
          mountPath: /var/lib/mysql

      volumes: # definicao do volume
      - name: mysql-persistent-storage
        persistentVolumeClaim:
          claimName: mysql-pv-claim
