apiVersion: apps/v1beta1
kind: StatefulSet
metadata:
  name: db-set
spec:
  serviceName: "mysql"
  replicas: 1
  template:
    metadata:
      labels:
        layer: db
    spec:
      terminationGracePeriodSeconds: 0
      containers:
      - name: db
        image: "gcr.io/[your projectid]/locations-db"
        env:
        - name: MYSQL_ALLOW_EMPTY_PASSWORD
          value: "yes"
        ports:
        - containerPort: 3306
          name: mysql
        volumeMounts:
        - name: mysql-pvc
          mountPath: /var/lib/mysql  
  volumeClaimTemplates:
  - metadata:
      name: mysql-pvc
      annotations:
        volume.alpha.kubernetes.io/storage-class: anything
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 1Gi