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| title | author | description | manager | monikerRange | ms.author | ms.custom | ms.date | ms.prod | ms.technology | ms.topic | uid |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Publish an ASP.NET Core SignalR app to Azure Web App | rachelappel | Publish an ASP.NET Core SignalR app to Azure Web App | wpickett | >= aspnetcore-2.1 | rachelap | mvc | 04/20/2018 | aspnet-core | aspnet | article | signalr/publish-to-azure-web-app |
Publish an ASP.NET Core SignalR app to an Azure Web App
Azure Web App is a Microsoft cloud computing platform service for hosting web apps, including ASP.NET Core.
Publish the app
Visual Studio provides built-in tools for publishing to an Azure Web App. Visual Studio Code user can use Azure CLI commands to publish apps to Azure. This article covers publishing using the tools in Visual Studio. To publish an app using Azure CLI, see Publish an ASP.NET Core app to Azure with command line tools.
Right-click on the project in Solution Explorer and select Publish. Confirm that Create new is checked in the Pick a publish target dialog, and select Publish.
Enter the following information in the Create App Service dialog and select Create.
| Item | Description |
|---|---|
| App name | A unique name of the app. |
| Subscription | The Azure subscription that the app uses. |
| Resource Group | The group of related resources to which the app belongs. |
| Hosting Plan | The pricing plan for the web app. |
Visual Studio completes the following tasks:
- Creates a Publish Profile containing publish settings.
- Creates or uses an existing Azure Web App with the provided details.
- Publishes the app.
- Launches a browser, with the published web app loaded.
Notice the format of the URL for the app is {app name}.azurewebsites.net. For example, an app named SignalRChattR has a URL that looks like https://signalrchattr.azurewebsites.net.
If an HTTP 502.2 error occurs, see Deploy ASP.NET Core preview release to Azure App Service to resolve it.
Configure SignalR web app
ASP.NET Core SignalR apps that are published as an Azure Web App must have ARR Affinity enabled. WebSockets should be enabled, to allow the WebSockets transport to function.
In the Azure portal, navigate to App Settings for your web app. Set WebSockets to On, and verify ARR Affinity is On.
WebSockets and other transports are limited based on the App Service Plan.