mongo-single-node-replset.yaml

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
          command: ["mongod", "--replSet", "rs0", "--port", "27017", "--bind_ip_all"]
          volumeMounts:
            - name: mongodb-data
              mountPath: /data/db
  volumeClaimTemplates:
    - metadata:
        name: mongodb-data
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 1Gi
        storageClassName: standard

---

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