make 128 error more visible /1 (dotnet#28387)

* make 128 error more visible /1

* make 128 error more visible /1

* make 128 error more visible /1

* make 128 error more visible /1

* make 128 error more visible /1

Author: Rick-Anderson

aspnetcore/host-and-deploy/docker/building-net-docker-images.md

@@ -344,6 +344,7 @@ ENTRYPOINT ["dotnet", "aspnetapp.dll"]
 * [Working with Visual Studio Docker Tools](./visual-studio-tools-for-docker.md)
 * [Debugging with Visual Studio Code](https://code.visualstudio.com/docs/nodejs/debugging-recipes#_debug-nodejs-in-docker-containers)
 * [GC using Docker and small containers](xref:performance/memory#sc)
+* [System.IO.IOException: The configured user limit (128) on the number of inotify instances has been reached](xref:host-and-deploy/docker/index#d128)
 
 ## Next steps
 

aspnetcore/host-and-deploy/docker/index.md

@@ -40,3 +40,5 @@ Additional configuration might be required for apps hosted behind proxy servers
 
 [GC using Docker and small containers](xref:performance/memory#sc)
 Discusses GC selection with small containers.
+
+[!INCLUDE[](~/includes/128.md)]

aspnetcore/host-and-deploy/docker/visual-studio-tools-for-docker.md

@@ -237,3 +237,4 @@ There may be an expectation for the production or release image to be smaller in
 * [Troubleshoot Visual Studio development with Docker](/azure/vs-azure-tools-docker-troubleshooting-docker-errors)
 * [Visual Studio Container Tools GitHub repository](https://github.com/Microsoft/DockerTools)
 * [GC using Docker and small containers](xref:performance/memory#sc)
+* [System.IO.IOException: The configured user limit (128) on the number of inotify instances has been reached](xref:host-and-deploy/docker/index#d128)

aspnetcore/includes/128.md

@@ -0,0 +1,7 @@
+<a name="d128"></a>
+
+## System.IO.IOException: The configured user limit (128) on the number of inotify instances has been reached
+
+Disabling `reloadOnChange` can significantly reduce the number of opened files. To disable reloading configuration files, set the environment variable `DOTNET_HOSTBUILDER__RELOADCONFIGONCHANGE=false`
+
+For alternative approaches or to leave feedback on this problem, see [this GitHub issue](https://github.com/dotnet/AspNetCore.Docs/issues/19814).