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title author description manager ms.author ms.custom ms.date ms.prod ms.technology ms.topic uid
Visual Studio publish profiles for ASP.NET Core app deployment rick-anderson Discover how to create publish profiles for ASP.NET Core apps in Visual Studio. wpickett riande mvc 09/26/2017 asp.net-core aspnet article host-and-deploy/visual-studio-publish-profiles

Visual Studio publish profiles for ASP.NET Core app deployment

By Sayed Ibrahim Hashimi and Rick Anderson

This article focuses on using Visual Studio 2017 to create publish profiles. The publish profiles created with Visual Studio can be run from MSBuild and Visual Studio 2017. The article provides details of the publishing process. See Publish an ASP.NET Core web app to Azure App Service using Visual Studio for instructions on publishing to Azure.

The following .csproj file was created with the command dotnet new mvc:

ASP.NET Core 2.x

<Project Sdk="Microsoft.NET.Sdk.Web">

  <PropertyGroup>
    <TargetFramework>netcoreapp2.0</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.0" />
  </ItemGroup>

  <ItemGroup>
    <DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="2.0.0" />
  </ItemGroup>

</Project>

ASP.NET Core 1.x

<Project Sdk="Microsoft.NET.Sdk.Web">

  <PropertyGroup>
    <TargetFramework>netcoreapp1.1</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.AspNetCore" Version="1.1.5" />
    <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="1.1.6" />
    <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="1.1.3" />
  </ItemGroup>

</Project>

The Sdk attribute in the <Project> element (in the first line) of the markup above does the following:

  • Imports the properties file from $(MSBuildSDKsPath)\Microsoft.NET.Sdk.Web\Sdk\Sdk.Props at the beginning.
  • Imports the targets file from $(MSBuildSDKsPath)\Microsoft.NET.Sdk.Web\Sdk\Sdk.targets at the end.

The default location for MSBuildSDKsPath (with Visual Studio 2017 Enterprise) is the %programfiles(x86)%\Microsoft Visual Studio\2017\Enterprise\MSBuild\Sdks folder.

Microsoft.NET.Sdk.Web depends on:

  • Microsoft.NET.Sdk.Web.ProjectSystem
  • Microsoft.NET.Sdk.Publish

Which causes the following properties and targets to be imported:

  • $(MSBuildSDKsPath)\Microsoft.NET.Sdk.Web.ProjectSystem\Sdk\Sdk.Props
  • $(MSBuildSDKsPath)\Microsoft.NET.Sdk.Web.ProjectSystem\Sdk\Sdk.targets
  • $(MSBuildSDKsPath)\Microsoft.NET.Sdk.Publish\Sdk\Sdk.Props
  • $(MSBuildSDKsPath)\Microsoft.NET.Sdk.Publish\Sdk\Sdk.targets

Publish targets import the right set of targets based on the publish method used.

When MSBuild or Visual Studio loads a project, the following high level actions are performed:

  • Build project
  • Compute files to publish
  • Publish files to destination

Compute project items

When the project is loaded, the project items (files) are computed. The item type attribute determines how the file is processed. By default, .cs files are included in the Compile item list. Files in the Compile item list are compiled.

The Content item list contains files that are published in addition to the build outputs. By default, files matching the pattern wwwroot/** are included in the Content item. wwwroot/** is a globbing pattern that specifies all files in the wwwroot folder and subfolders. To explicitly add a file to the publish list, add the file directly in the .csproj file as shown in Including Files.

When selecting the Publish button in Visual Studio or when publishing from the command line:

  • The properties/items are computed (the files that are needed to build).
  • Visual Studio only: NuGet packages are restored. (Restore needs to be explicit by the user on the CLI.)
  • The project builds.
  • The publish items are computed (the files that are needed to publish).
  • The project is published. (The computed files are copied to the publish destination.)

When an ASP.NET Core project references Microsoft.NET.Sdk.Web in the project file, an app_offline.htm file is placed at the root of the web app directory. When the file is present, the ASP.NET Core Module gracefully shuts down the app and serves the app_offline.htm file during the deployment. For more information, see the ASP.NET Core Module configuration reference.

Basic command-line publishing

Command-line publishing works on all .NET Core supported platforms and doesn't require Visual Studio. In the samples below, the dotnet publish command is run from the project directory (which contains the .csproj file). If not in the project folder, explicitly pass in the project file path. For example:

dotnet publish c:/webs/web1

Run the following commands to create and publish a web app:

ASP.NET Core 2.x

dotnet new mvc
dotnet publish

ASP.NET Core 1.x

dotnet new mvc
dotnet restore
dotnet publish

The dotnet publish command produces output similar to the following:

C:\Webs\Web1>dotnet publish
Microsoft (R) Build Engine version 15.3.409.57025 for .NET Core
Copyright (C) Microsoft Corporation. All rights reserved.

  Web1 -> C:\Webs\Web1\bin\Debug\netcoreapp2.0\Web1.dll
  Web1 -> C:\Webs\Web1\bin\Debug\netcoreapp2.0\publish\

The default publish folder is bin\$(Configuration)\netcoreapp<version>\publish. The default for $(Configuration) is Debug. In the sample above, the <TargetFramework> is netcoreapp2.0.

dotnet publish -h displays help information for publish.

The following command specifies a Release build and the publishing directory:

dotnet publish -c Release -o C:/MyWebs/test

The dotnet publish command calls MSBuild which invokes the Publish target. Any parameters passed to dotnet publish are passed to MSBuild. The -c parameter maps to the Configuration MSBuild property. The -o parameter maps to OutputPath.

MSBuild properties can be passed using either of the following formats:

  • p:<NAME>=<VALUE>
  • /p:<NAME>=<VALUE>

The following command publishes a Release build to a network share:

dotnet publish -c Release /p:PublishDir=//r8/release/AdminWeb

The network share is specified with forward slashes (//r8/) and works on all .NET Core supported platforms.

Confirm that the published app for deployment isn't running. Files in the publish folder are locked when the app is running. Deployment can't occur because locked files can't be copied.

Publish profiles

This section uses Visual Studio 2017 and higher to create publishing profiles. Once created, publishing from Visual Studio or the command line is available.

Publish profiles can simplify the publishing process. Multiple publish profiles can exist. To create a publish profile in Visual Studio, right-click on the project in Solution Explorer and select Publish. Alternatively, select Publish <project name> from the build menu. The Publish tab of the application capacities page is displayed. If the project doesn't contain a publish profile, the following page is displayed:

The Publish tab of the application capacities page showing Azure, IIS, FTB, Folder with Azure selected. Also shows create new and Select Exiting radio buttons

When Folder is selected, the Publish button creates a folder publish profile and publishes.

The Publish tab of the application capacities page showing Azure, IIS, FTB, Folder

Once a publish profile is created, the Publish tab changes, and select Create new profile to create a new profile.

The Publish tab of the application capacities page showing FolderProfile -created in the last step and Create new profile link

The Publish wizard supports the following publish targets:

  • Microsoft Azure App Service
  • IIS, FTP, etc (for any web server)
  • Folder
  • Import profile (allows profile import).
  • Microsoft Azure Virtual Machines

See What publishing options are right for me? for more information.

When creating a publish profile with Visual Studio, a Properties/PublishProfiles/<publish name>.pubxml MSBuild file is created. This .pubxml file is a MSBuild file and contains publish configuration settings. This file can be changed to customize the build and publish process. This file is read by the publishing process. <LastUsedBuildConfiguration> is special because it's a global property and shouldn't be in any file that's imported in the build. See MSBuild: how to set the configuration property for more info.

The .pubxml file shouldn't be checked into source control because it depends on the .user file. The .user file should never be checked into source control because it can contain sensitive information and it's only valid for one user and machine.

Sensitive information (like the publish password) is encrypted on a per user/machine level and stored in the Properties/PublishProfiles/<publish name>.pubxml.user file. Because this file can contain sensitive information, it should not be checked into source control.

For an overview of how to publish a web app on ASP.NET Core see Host and deploy. Host and deploy is an open source project at https://github.com/aspnet/websdk.

dotnet publish can use folder, MSDeploy, and KUDU publish profiles:

Folder (works cross-platform): dotnet publish WebApplication.csproj /p:PublishProfile=<FolderProfileName>

MSDeploy (currently this only works in windows since MSDeploy isn't cross-platform): dotnet publish WebApplication.csproj /p:PublishProfile=<MsDeployProfileName> /p:Password=<DeploymentPassword>

MSDeploy package(currently this only works in windows since MSDeploy isn't cross-platform): dotnet publish WebApplication.csproj /p:PublishProfile=<MsDeployPackageProfileName>

In the preceeding samples, don't pass deployonbuild to dotnet publish.

For more information, see Microsoft.NET.Sdk.Publish.

dotnet publish supports KUDU apis to publish to Azure from any platform. Visual Studio publish does support the KUDU APIs but it's supported by websdk for cross plat publish to Azure.

Add a publish profile to Properties/PublishProfiles folder with the following content:

<Project>
  <PropertyGroup>
    <PublishProtocol>Kudu</PublishProtocol>
    <PublishSiteName>nodewebapp</PublishSiteName>
    <UserName>username</UserName>
    <Password>password</Password>
  </PropertyGroup>
</Project>

Running the following command zips up the publish contents and publish it to Azure using the KUDU APIs:

dotnet publish /p:PublishProfile=Azure /p:Configuration=Release

Set the following MSBuild properties when using a publish profile:

  • DeployOnBuild=true
  • PublishProfile=<Publish profile name>

When publishing with a profile named FolderProfile, either of the commands below can be executed:

  • dotnet build /p:DeployOnBuild=true /p:PublishProfile=FolderProfile
  • msbuild /p:DeployOnBuild=true /p:PublishProfile=FolderProfile

When invoking dotnet build, it calls msbuild to run the build and publish process. Calling dotnet build or msbuild is essentially equivalent when passing in a folder profile. When calling MSBuild directly on Windows, the .NET Framework version of MSBuild is used. MSDeploy is currently limited to Windows machines for publishing. Calling dotnet build on a non-folder profile invokes MSBuild, and MSBuild uses MSDeploy on non-folder profiles. Calling dotnet build on a non-folder profile invokes MSBuild (using MSDeploy) and results in a failure (even when running on a Windows platform). To publish with a non-folder profile, call MSBuild directly.

The following folder publish profile was created with Visual Studio and publishes to a network share:

<?xml version="1.0" encoding="utf-8"?>
<!--
This file is used by the publish/package process of your Web project.
You can customize the behavior of this process by editing this 
MSBuild file.
-->
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <WebPublishMethod>FileSystem</WebPublishMethod>
    <PublishProvider>FileSystem</PublishProvider>
    <LastUsedBuildConfiguration>Release</LastUsedBuildConfiguration>
    <LastUsedPlatform>Any CPU</LastUsedPlatform>
    <SiteUrlToLaunchAfterPublish />
    <LaunchSiteAfterPublish>True</LaunchSiteAfterPublish>
    <ExcludeApp_Data>False</ExcludeApp_Data>
    <PublishFramework>netcoreapp1.1</PublishFramework>
    <ProjectGuid>c30c453c-312e-40c4-aec9-394a145dee0b</ProjectGuid>
    <publishUrl>\\r8\Release\AdminWeb</publishUrl>
    <DeleteExistingFiles>False</DeleteExistingFiles>
  </PropertyGroup>
</Project>

Note <LastUsedBuildConfiguration> is set to Release. When publishing from Visual Studio, the <LastUsedBuildConfiguration> configuration property value is set using the value when the publish process is started. The <LastUsedBuildConfiguration> configuration property is special and shouldn't be overridden in an imported MSBuild file. This property can be overridden from the command line. For example:

dotnet build -c Release /p:DeployOnBuild=true /p:PublishProfile=FolderProfile

Using MSBuild:

msbuild /p:Configuration=Release /p:DeployOnBuild=true /p:PublishProfile=FolderProfile

Publish to an MSDeploy endpoint from the command line

As previously mentioned, publishing can be accomplished using dotnet publish or the msbuild command. dotnet publish runs in the context of .NET Core. The msbuild command requires .NET framework, and is therefore limited to Windows environments.

The easiest way to publish with MSDeploy is to first create a publish profile in Visual Studio 2017 and use the profile from the command line.

In the following sample, an ASP.NET Core web app is created (using dotnet new mvc), and an Azure publish profile is added with Visual Studio.

Run msbuild from a Developer Command Prompt for VS 2017. The Developer Command Prompt has the correct msbuild.exe in its path with some MSBuild variables set.

MSBuild uses the following syntax:

msbuild <path-to-project-file> /p:DeployOnBuild=true /p:PublishProfile=<Publish Profile> /p:Username=<USERNAME> /p:Password=<PASSWORD>

Get the Password from the <Publish name>.PublishSettings file. Download the .PublishSettings file from either:

  • Solution Explorer: Right-click on the Web App and select Download Publish Profile.
  • The Azure Management Portal: Select Get publish profile from the Web App blade.

Username can be found in the publish profile.

The following sample uses the "Web11112 - Web Deploy" publish profile:

msbuild "C:\Webs\Web1\Web1.csproj" /p:DeployOnBuild=true
 /p:PublishProfile="Web11112 - Web Deploy"  /p:Username="$Web11112"
 /p:Password="<password removed>"

Excluding files

When publishing ASP.NET Core web apps, the build artifacts and contents of the wwwroot folder are included. msbuild supports globbing patterns. For example, the following <Content> element markup excludes all text (.txt) files from the wwwroot/content folder and all its subfolders.

<ItemGroup>
  <Content Update="wwwroot/content/**/*.txt" CopyToPublishDirectory="Never" />
</ItemGroup>

The markup above can be added to a publish profile or the .csproj file. When added to the .csproj file, the rule is added to all publish profiles in the project.

The following <MsDeploySkipRules> element markup exludes all files from the wwwroot/content folder:

<ItemGroup>
  <MsDeploySkipRules Include="CustomSkipFolder">
    <ObjectName>dirPath</ObjectName>
    <AbsolutePath>wwwroot\\content</AbsolutePath>
  </MsDeploySkipRules>
</ItemGroup>

<MsDeploySkipRules> won't delete the skip targets from the deployment site. <Content> targeted files and folders are deleted from the deployment site. For example, suppose a deployed web app had the following files:

  • Views/Home/About1.cshtml
  • Views/Home/About2.cshtml
  • Views/Home/About3.cshtml

If the following <MsDeploySkipRules> markup is added, those files wouldn't be deleted on the deployment site.

<ItemGroup>
  <MsDeploySkipRules Include="CustomSkipFile">
    <ObjectName>filePath</ObjectName>
    <AbsolutePath>Views\\Home\\About1.cshtml</AbsolutePath>
  </MsDeploySkipRules>

  <MsDeploySkipRules Include="CustomSkipFile">
    <ObjectName>filePath</ObjectName>
    <AbsolutePath>Views\\Home\\About2.cshtml</AbsolutePath>
  </MsDeploySkipRules>

  <MsDeploySkipRules Include="CustomSkipFile">
    <ObjectName>filePath</ObjectName>
    <AbsolutePath>Views\\Home\\About3.cshtml</AbsolutePath>
  </MsDeploySkipRules>
</ItemGroup>

The <MsDeploySkipRules> markup shown above prevents the skipped files from being depoyed but won't delete those files once they're deployed.

The following <Content> markup deletes the targeted files at the deployment site:

<ItemGroup>
  <Content Update="Views/Home/About?.cshtml" CopyToPublishDirectory="Never" />
</ItemGroup>

Using command-line deployment with the <Content> markup above results in output similar to the following:

MSDeployPublish:
  Starting Web deployment task from source: manifest(C:\Webs\Web1\obj\Release\netcoreapp1.1\PubTmp\Web1.SourceManifest.
  xml) to Destination: auto().
  Deleting file (Web11112\Views\Home\About1.cshtml).
  Deleting file (Web11112\Views\Home\About2.cshtml).
  Deleting file (Web11112\Views\Home\About3.cshtml).
  Updating file (Web11112\web.config).
  Updating file (Web11112\Web1.deps.json).
  Updating file (Web11112\Web1.dll).
  Updating file (Web11112\Web1.pdb).
  Updating file (Web11112\Web1.runtimeconfig.json).
  Successfully executed Web deployment task.
  Publish Succeeded.
Done Building Project "C:\Webs\Web1\Web1.csproj" (default targets).

Including files

The following markup includes an images folder outside the project directory to the wwwroot/images folder of the publish site:

<ItemGroup>
  <_CustomFiles Include="$(MSBuildProjectDirectory)/../images/**/*" />
  <DotnetPublishFiles Include="@(_CustomFiles)">
    <DestinationRelativePath>wwwroot/images/%(RecursiveDir)%(Filename)%(Extension)</DestinationRelativePath>
  </DotnetPublishFiles>
</ItemGroup>

The markup can be added to the .csproj file or the publish profile. If it's added to the .csproj file, it's included in each publish profile in the project.

The following highlighted markup shows how to:

  • Copy a file from outside the project into the wwwroot folder.
  • Exclude the wwwroot\Content folder.
  • Exclude Views\Home\About2.cshtml.
<?xml version="1.0" encoding="utf-8"?>
<!--
This file is used by the publish/package process of your Web project.
You can customize the behavior of this process by editing this 
MSBuild file.
-->
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <WebPublishMethod>FileSystem</WebPublishMethod>
    <PublishProvider>FileSystem</PublishProvider>
    <LastUsedBuildConfiguration>Release</LastUsedBuildConfiguration>
    <LastUsedPlatform>Any CPU</LastUsedPlatform>
    <SiteUrlToLaunchAfterPublish />
    <LaunchSiteAfterPublish>True</LaunchSiteAfterPublish>
    <ExcludeApp_Data>False</ExcludeApp_Data>
    <PublishFramework />
    <ProjectGuid>afa9f185-7ce0-4935-9da1-ab676229d68a</ProjectGuid>
    <publishUrl>bin\Release\PublishOutput</publishUrl>
    <DeleteExistingFiles>False</DeleteExistingFiles>
  </PropertyGroup>
  <ItemGroup>
    <ResolvedFileToPublish Include="..\ReadMe2.MD">
      <RelativePath>wwwroot\ReadMe2.MD</RelativePath>
    </ResolvedFileToPublish>

    <Content Update="wwwroot\Content\**\*" CopyToPublishDirectory="Never" />
    <Content Update="Views\Home\About2.cshtml" CopyToPublishDirectory="Never" />

  </ItemGroup>
</Project>

See the WebSDK Readme for more deployment samples.

Run a target before or after publishing

The built-in BeforePublish and AfterPublish targets can be used to execute a target before or after the publish target. The following markup can be added to the publish profile to log messages to the console output before and after publishing:

<Target Name="CustomActionsBeforePublish" BeforeTargets="BeforePublish">
    <Message Text="Inside BeforePublish" Importance="high" />
  </Target>
  <Target Name="CustomActionsAfterPublish" AfterTargets="AfterPublish">
    <Message Text="Inside AfterPublish" Importance="high" />
</Target>

Publish to a server using an untrusted certificate

Add the <AllowUntrustedCertificate> property with a value of True to the publish profile:

<PropertyGroup>
  <AllowUntrustedCertificate>True</AllowUntrustedCertificate>
</PropertyGroup>

The Kudu service

To view the files in the an Azure Apps Service web app deployment, use the Kudu service. Append the scm token to the name of the web app. For example:

URL Result
http://mysite.azurewebsites.net/ Web App
http://mysite.scm.azurewebsites.net/ Kudu sevice

Select the Debug Console menu item to view/edit/delete/add files.

Additional resources