gistfile1.txt

 - stage: Deploy_to_Prod
   condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/master'))
   dependsOn: CI
   jobs:
     - deployment: Deployment
       displayName: Deploy container in Prod
       pool:
         vmImage: ubuntu-latest
       environment:
         name: prod
       strategy:
         runOnce:
           deploy:
             steps:
               - task: AzureWebAppContainer@1
                 displayName: "Azure App Service Container Deploy"
                 inputs:
                   azureSubscription: "service_connection_name"
                   appName: "app_service_name"
                   containers: acr01.azurecr.io/image_name:latest
                   deployToSlotOrASE: true
                   resourceGroupName: "MYRG"
                   slotName: "staging"
           routeTraffic:
             steps:
               - task: AzureAppServiceManage@0
                 displayName: "Azure App Service Deploy - switch slots"
                 inputs:
                   azureSubscription: "service_connection_name"
                   ResourceGroupName: "MYRG"
                   WebAppName: "app_service_name"
                   SourceSlot: production