mongo-single-node.yaml

apiVersion: v1
kind: PersistentVolume
metadata:
  name: mongodb-pv
  namespace: mongodb-test
spec:
  capacity:
    storage: 1Gi
  accessModes:
    - ReadWriteOnce
  persistentVolumeReclaimPolicy: Delete
  storageClassName: standard
  hostPath:
    path: /data/mongodb

---

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mongodb-pvc
  namespace: mongodb-test
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi
  storageClassName: standard

---

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: mongodb
  namespace: mongodb-test
spec:
  serviceName: mongodb
  replicas: 1
  selector:
    matchLabels:
      app: mongodb
  template:
    metadata:
      labels:
        app: mongodb
    spec:
      containers:
        - name: mongodb
          image: mongo
          ports:
            - containerPort: 27017
          volumeMounts:
            - name: mongodb-data
              mountPath: /data/db
      volumes:
        - name: mongodb-data
          persistentVolumeClaim:
            claimName: mongodb-pvc
---

apiVersion: v1
kind: Service
metadata:
  name: mongodb
  namespace: mongodb-test
spec:
  clusterIP: None
  selector:
    app: mongodb
  ports:
    - protocol: TCP
      port: 27017
      targetPort: 27017