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Deploy an app service (web app) using Azure DevOps

In this article I will demonstrate how one can deploy app service code on Azure through Azure DevOps. App service is a hosting provider for your applications (web app) that can be created with multiple hosting options and application specific settings.

When creating an app service you can choose from many available options like different code frameworks or even container deployments.

For my demo I wanted to deploy an asp .net core web api using .net 6 version hosted on windows app service.

My repository structure is shown below. The app service that I want to deploy is the one located under Front folder.

The pipeline code can be found below:

– none
vmImage: windows-latest
– task: VSBuild@1
displayName: Build appservice
solution: '$(Build.SourcesDirectory)/Front/**\*.sln'
msbuildArgs: '/p:Configuration=Debug /p:Platform="Any CPU" /p:WebPublishMethod=FileSystem /p:publishUrl="$(Build.ArtifactStagingDirectory)/build" /p:DeployOnBuild=true'
clean: true
– task: ArchiveFiles@2
displayName: create archive for app service deployment
rootFolderOrFile: '$(Build.ArtifactStagingDirectory)\build'
includeRootFolder: false
archiveType: 'zip'
archiveFile: '$(Build.StagingDirectory)/$(Build.BuildId).zip'
replaceExistingArchive: true
– task: AzureRmWebAppDeployment@4
displayName: deploy app service
ConnectionType: 'AzureRM'
azureSubscription: 'ServiceConnectionName'
appType: 'webApp'
WebAppName: 'AppServiceName'
packageForLinux: '$(Build.StagingDirectory)/**/*.zip'

In more detail there are three necessary steps for the deployment.

The first task will build the .NET app using VSbuild task. The build will use as parameters the deployonBuild and the webpublishmethod as filesystem in order to specify the path on which the build output will be stored.

The second task will bundle this build output to a zip file and then the third task will upload this .zip file in the app service using a service connection with the subscription. The two parameters that should be changed are azureSubscription and WebAppName which should be the app service name.

When running the pipeline, a build folder will be created as shown in the below screenshot that will host the build output.

This output will be then zipped to a file that will be uploaded to the app service.

1 thought on “Deploy an app service (web app) using Azure DevOps

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