Surface project item to control static asset publishing (#15584)

aspnetcore/fundamentals/index.md

@@ -5,7 +5,7 @@ description: Learn the foundational concepts for building ASP.NET Core apps.
 monikerRange: '>= aspnetcore-2.1'
 ms.author: riande
 ms.custom: mvc
-ms.date: 10/07/2019
+ms.date: 11/07/2019
 uid: fundamentals/index
 ---
 # ASP.NET Core fundamentals
@@ -297,6 +297,14 @@ The web root path defaults to *{content root}/wwwroot*, but a different web root
 
 ::: moniker-end
 
+Prevent publishing files in *wwwroot* with the [\<Content> project item](/visualstudio/msbuild/common-msbuild-project-items#content) in the project file. The following example prevents publishing content in the *wwwroot/local* directory and sub-directories:
+
+```xml
+<ItemGroup>
+  <Content Update="wwwroot\local\**\*.*" CopyToPublishDirectory="Never" />
+</ItemGroup>
+```
+
 In Razor (*.cshtml*) files, the tilde-slash (`~/`) points to the web root. A path beginning with `~/` is referred to as a *virtual path*.
 
 For more information, see <xref:fundamentals/static-files>.