apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql-deployment
  labels:
    app: mysql
spec:
  selector:
    matchLabels:
      app: mysql
  replicas: 1
  strategy:
    rollingUpdate:
      maxSurge: 1
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
        - image: mysql-service
          imagePullPolicy: Never
          name: cacharle-mysql-container
          volumeMounts:
            - name: mysql-volume
              mountPath: /var/lib/mysql
      volumes:
        - name: mysql-volume
          persistentVolumeClaim:
            claimName: mysql-volume

---

apiVersion: v1
kind: Service
metadata:
  name: mysql-service
  labels:
    app: mysql
spec:
  type: ClusterIP
  ports:
    - name: mysql
      port: 3306
      targetPort: 3306
  selector:
    app: mysql

---

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mysql-volume
  labels:
    app: mysql
spec:
  accessModes:
    - ReadWriteOnce  # read/write by one pod
  resources:
    requests:
      storage: 1Gi