apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql
spec:
  selector:
    matchLabels:
      app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
        - name: mysql
          image: mariadb:10
          resources:
            limits:
              memory: "128Mi"
              cpu: "500m"
          envFrom:
            - secretRef:
                name: mysql
          ports:
            - containerPort: 3306
          volumeMounts:
            - name: data
              mountPath: /var/lib/mysql
      volumes:
        - name: data
          persistentVolumeClaim:
            claimName: mysql