mongodb.yaml

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: mongodb
spec:
  serviceName: "mongodb"
  replicas: 1
  selector:
    matchLabels:
      app: mongodb
  template:
    metadata:
      labels:
        app: mongodb
        selector: mongodb
    spec:
      containers:
      - name: mongodb
        image: mongo:4.0.8
        env:
          - name: MONGO_INITDB_ROOT_USERNAME
            valueFrom:
              secretKeyRef:
                name: mongo-secret
                key: username
          - name: MONGO_INITDB_ROOT_PASSWORD
            valueFrom:
              secretKeyRef:
                name: mongo-secret
                key: password
---
apiVersion: v1
kind: Service
metadata:
  name: mongodb
  labels:
    name: mongodb
spec:
  ports:
  - port: 27017
    targetPort: 27017
  clusterIP: None
  selector:
    app: mongodb