Deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: backend-deployment
spec:
  replicas: 1
  selector:
    matchLabels:              # tells what pods the deployment will apply to, refer to line number 11 for pod template
      app: devday-backend
  template:                   # actually, this is the pod template, describes a pod that is launched
    metadata:
      labels:
        app: devday-backend # this should match with the matchLabels value above, otherwise, this kind of pod will not be controlled by the above deployment
    spec:
      containers:
      - name: backend-container
        image: containerregistryvu.azurecr.io/devday-backend:latest
        # Add opening port
        ports:                                      #+
        - containerPort: 8080                       #+
          name: http                                #+
        env:
        - name: DATASOURCE_URL
          value: "jdbc:postgresql://mhdanhdb.postgres.database.azure.com:5432/devday"
        - name: DATASOURCE_USERNAME
          value: "devdayadmin@mydevdaydb"
        - name: DATASOURCE_PASSWORD
          value: "Devd@y-2@19"
---
apiVersion: v1
kind: Service
metadata:
  name: backend-service
spec:
  type: LoadBalancer
#  loadBalancerIP: 52.163.191.19 # comment this like for auto generate ip
#  type: NodePort
  selector:
    app: devday-backend
  ports:
  - port: 80
    targetPort: 8080
    protocol: TCP