springBootMongo.yml

# Config Map
kind: ConfigMap 
apiVersion: v1 
metadata:
  name: springapp-configmap
data:
  # Configuration values can be set as key-value properties
  username: springapp
  password: mongodb@123
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: springbootdeployment
spec:
  replicas: 2
  selector:
    matchLabels:
      app: springboot
  template:
    metadata:
      name: springapppod
      labels:
        app: springboot
    spec:
      containers:
      - image: mylandmarktech/springapp
        name: springboot
        ports:
        - containerPort: 8080  
        env:
        - name: MONGO_DB_HOSTNAME
          value: mongo
        - name: MONGO_INITDB_ROOT_USERNAME
          valueFrom:
            configMapKeyRef:
              name: springapp-configmap
              key: username 
        - name: MONGO_INITDB_ROOT_PASSWORD
          valueFrom:
            configMapKeyRef:
              name: springapp-configmap
              key: password       
---
# Node Port Service For SpringApp
apiVersion: v1
kind: Service
metadata:
  name: springboot
spec:
  type: NodePort
  ports:
    - port: 8080
      targetPort: 8080
      nodePort: 30300
  selector:
    app: springboot
---
# Mongo RC with host path Volume
apiVersion: v1
kind: ReplicationController
metadata:
  name: mongo-controller
spec:
  replicas: 1
  selector:
    app: mongo
  template:
    metadata:
      labels:
        app: mongo
    spec:
      containers:
      - image: mongo
        name: mongo
        env:
        - name: MONGO_INITDB_ROOT_USERNAME
          valueFrom:
            configMapKeyRef:
              name: springapp-configmap
              key: username 
        - name: MONGO_INITDB_ROOT_PASSWORD
          valueFrom:
            configMapKeyRef:
              name: springapp-configmap
              key: password 
        ports:
        - containerPort: 27017
        volumeMounts:
        - name: mongo-persistent-storage
          mountPath: /data/db
      volumes:
      - name: mongo-persistent-storage
        hostPath:
         path: /tmp/dbbackup
---
# Mongo Node Port RC
apiVersion: v1
kind: Service
metadata:
  name: mongo
spec:
  type: ClusterIP
  ports:
  - port: 27017
    targetPort: 27017
  selector:
    app: mongo