test-deploy.yaml

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  labels:
    app: test-mc-backup
  name: test-mc-backup
spec:
  replicas: 1
  serviceName: test-mc-backup
  selector:
    matchLabels:
      app: test-mc-backup
  template:
    metadata:
      labels:
        app: test-mc-backup
    spec:
      containers:
        - name: mc
          image: itzg/minecraft-server
          env:
            - name: EULA
              value: "TRUE"
          volumeMounts:
            - mountPath: /data
              name: data
        - name: backup
          image: mc-backup
          imagePullPolicy: Never
          securityContext:
            runAsUser: 1000
          env:
            - name: BACKUP_INTERVAL
              value: "60"
            - name: INITIAL_DELAY
              value: "10"
          volumeMounts:
            - mountPath: /data
              name: data
              readOnly: true
            - mountPath: /backups
              name: backups
      volumes:
        - name: data
          persistentVolumeClaim:
            claimName: data
        - name: backups
          persistentVolumeClaim:
            claimName: backups
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 100Mi
    - metadata:
        name: backups
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 500Mi
---
apiVersion: v1
kind: Service
metadata:
  name: test-mc-backup
spec:
  selector:
    app: test-mc-backup
  ports:
    - port: 25565
  type: NodePort