Connecting to MongoDB cluster with Spring Boot Application

application.yaml

spring:
  data:
    mongodb:
        uri: mongodb://${MONGODB_USERNAME}:${MONGODB_PASSWORD}@mongo-mongodb-0.mongo-mongodb-headless.mongodb.svc:27017,mongo-mongodb-1.mongo-mongodb-headless.mongodb.svc:27017,mongo-mongodb-2.mongo-mongodb-headless.mongodb.svc:27017/test
logging:
  level:
    org:
      springframework:
        data.mongodb: INFO
        boot.autoconfigure.mongo: INFO
    com.mongodb.client: INFO

person.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: person
  name: person
spec:
  replicas: 1
  selector:
    matchLabels:
      app: person
  template:
    metadata:
      labels:
        app: person
    spec:
      containers:
      - image: harivemula/person:0.0.1-SNAPSHOT
        imagePullPolicy: Always
        name: person
        volumeMounts:
          - name: config-volume
            mountPath: /workspace/config

        env:
          - name: MONGODB_USERNAME
            valueFrom:
              secretKeyRef:
                name: mongo-creds
                key: mongodb-username
          - name: MONGODB_PASSWORD
            valueFrom:
              secretKeyRef:
                name: mongo-creds
                key: mongodb-password

      volumes:
      - name: config-volume
        configMap:
          name: person-config
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: person
  name: person-service
  namespace: mongodb
spec:
  ports:
  - port: 80
    protocol: TCP
    targetPort: 8080
  selector:
    app: person
  type: ClusterIP

values.yaml

architecture: "replicaset"
auth:
  rootPassword: "rootSecret"
  username: "testuser"
  password: "secret"
  database: "test"
  replicaSetKey: "testrskey001"
replicaSetName: "testrs"
replicaCount: 3
persistence:
  storageClass: "standard"
  size: 3Gi
rbac:
  create: true
podSecurityPolicy:
  create: true