apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: mariadb-statefulset
  namespace: mariadb
spec:
  serviceName: "mariadb-statefulset"
  replicas: 1
  selector:
    matchLabels:
      app: mariadb-statefulset
  template:
    metadata:
      labels:
        app: mariadb-statefulset
    spec:
      imagePullSecrets:
      - name: regcred
      containers:
        - name: mariadb-statefulset
          image: mariadb:11
          ports:
            - containerPort: 3306
          envFrom:
            - secretRef:
                name: mariadb-secret
          volumeMounts:
            - mountPath: /var/lib/mysql
              name: mariadb-data
            - mountPath: /etc/mysql/conf.d/my.cnf
              name: mariadb-config
              subPath: my.cnf
      volumes:
        - name: mariadb-config
          configMap:
            name: mariadb-config

  volumeClaimTemplates:
    - kind: PersistentVolumeClaim
      apiVersion: v1
      metadata:
        name: mariadb-data
        namespace: mariadb
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 50Gi