springboot-app-deployment.yml

#=== Deploy Springboot App With Service type as LB & Mongo POD with Dynamcic Volumes======
# 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: springappdeployment
spec:
  replicas: 2
  selector:
    matchLabels:
      app: springapp
  template:
    metadata:
      name: springapppod
      labels:
        app: springapp
    spec:
      containers:
      - name: springappcontainer
        image:  mylandmarktech/myspringapps
        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

---
apiVersion: v1
kind: Service
metadata:
  name: springapp
spec:
  selector:
    app: springapp
  ports:
  - port: 80
    targetPort: 8080
  type: LoadBalancer
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mongodbpvc 
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 16Gi
---
apiVersion: apps/v1
kind: ReplicaSet
metadata:
  name: mongodbrs
spec:
  selector:
    matchLabels:
      app: mongodb
  template:
     metadata:
       name: mongodbpod
       labels:
         app: mongodb
     spec:
       volumes:
       - name: pvc
         persistentVolumeClaim:
           claimName: mongodbpvc     
       containers:
       - name: mongodbcontainer
         image: mongo
         ports:
         - containerPort: 27017
         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

         volumeMounts:
         - name: pvc
           mountPath: /data/db   
---
apiVersion: v1
kind: Service
metadata:
  name: mongo
spec:
  type: ClusterIP
  selector:
    app: mongodb
  ports:
  - port: 27017
    targetPort: 27017