apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: mariadb
spec:
  selector:
    matchLabels:
      app: mariadb-sts
  serviceName: mariadb-service
  replicas: 1
  template:
    metadata:
      labels:
        app: mariadb-sts
    spec:
      terminationGracePeriodSeconds: 10
      containers:
      - name: mariadb-container
        image: mariadb:latest
        volumeMounts:
        - name: mariadb-pvc
          mountPath: /var/lib/mysql
        resources:
          requests:
            cpu: 1
            memory: 4Gi
        env:
        - name: MARIADB_ROOT_PASSWORD
          value: "your database password"
  volumeClaimTemplates:
  - metadata:
      name: mariadb-pvc
    spec:
      accessModes:
      - ReadWriteOnce
      resources:
        requests:
          storage: 2Gi
---
apiVersion: v1
kind: Service
metadata:
  name: mariadb-service
spec:
  ports:
  - port: 3306
  clusterIP: None
  selector:
    app: mariadb-sts