app.k8s.yaml

kind: Service
apiVersion: v1
metadata:
  name: database-service
  namespace: default
spec:
  type: ExternalName
  externalName: 10.0.2.2
  ports:
    - port: 5432
      targetPort: 5432
      protocol: TCP
---
apiVersion: v1
kind: Service
metadata:
  name: spring-rest-base-app
  labels:
    app: spring-rest-base-app
    tier: back-end
spec:
  selector:
    app: spring-rest-base-app
  type: NodePort
  ports:
  - name: spring-rest-base-app
    port: 8080
    protocol: TCP
    targetPort: 8080
    nodePort: 30080
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: spring-rest-base-app
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: spring-rest-base-app        
        tier: backend
    spec:
      containers:
      - name: spring-rest-base-app
        image: fabiosoaza/spring-rest-base-app
        env:
        - name: DB_HOST
          value: database-service
        - name: DB_NAME
          valueFrom:
            configMapKeyRef:
              name: properties 
              key: db_name  
        - name: DB_PORT
          valueFrom:
            configMapKeyRef:
              name: properties 
              key: db_port
        - name: DB_USER
          valueFrom:
            configMapKeyRef:
              name: properties 
              key: db_user  
        - name: DB_PASS
          valueFrom:
            configMapKeyRef:
              name: properties 
              key: db_pass    
        - name: SSL_MODE
          valueFrom:
            configMapKeyRef:
              name: properties 
              key: ssl_mode
        - name: MANAGEMENT_USER
          valueFrom:
            configMapKeyRef:
              name: properties 
              key: management_user
        - name: MANAGEMENT_PASS
          valueFrom:
            configMapKeyRef:
              name: properties 
              key: management_pass                                                                            
        ports:
        - containerPort: 8080
        imagePullPolicy: IfNotPresent