apiVersion: apps/v1
kind: Deployment
metadata: 
  name: mysql-server
spec: # spec from deployment
  replicas: 1
  selector: 
    matchLabels: 
      app: mysql-server
      tier: db
  template: # refer to pod
    metadata: 
      labels:
        app: mysql-server
        tier: db
    spec: # spec from 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 o volume
        - name: mysql-persistent-storage
          mountPath: /var/lib/mysql
      
      volumes: # definição do volume
      - name: mysql-persistent-storage
        persistentVolumeClaim:
          claimName: mysql-pv-claim
