diff --git a/Templating.sln b/Templating.sln
index 0f763713b5..2454676150 100644
--- a/Templating.sln
+++ b/Templating.sln
@@ -14,6 +14,13 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.DotNet.Web.Client
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.DotNet.Web.ProjectTemplates", "src\Microsoft.DotNet.Web.ProjectTemplates\Microsoft.DotNet.Web.ProjectTemplates.csproj", "{260EBA09-DEF5-429C-99BF-90CA1456A576}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "build", "build", "{F34CD7D7-1E8F-41FA-AB4D-D86BFD3AC09B}"
+	ProjectSection(SolutionItems) = preProject
+		build\dependencies.props = build\dependencies.props
+		build\repo.props = build\repo.props
+		build\sources.props = build\sources.props
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
diff --git a/src/Microsoft.DotNet.Web.ProjectTemplates/content/RazorPagesWeb-CSharp/appsettings.json b/src/Microsoft.DotNet.Web.ProjectTemplates/content/RazorPagesWeb-CSharp/appsettings.json
index 2d9e378198..042a531db4 100644
--- a/src/Microsoft.DotNet.Web.ProjectTemplates/content/RazorPagesWeb-CSharp/appsettings.json
+++ b/src/Microsoft.DotNet.Web.ProjectTemplates/content/RazorPagesWeb-CSharp/appsettings.json
@@ -35,5 +35,6 @@
     "LogLevel": {
       "Default": "Warning"
     }
-  }
+  },
+  "AllowedHosts": [ "*" ]
 }
diff --git a/src/Microsoft.DotNet.Web.ProjectTemplates/content/StarterWeb-CSharp/appsettings.json b/src/Microsoft.DotNet.Web.ProjectTemplates/content/StarterWeb-CSharp/appsettings.json
index 2d9e378198..042a531db4 100644
--- a/src/Microsoft.DotNet.Web.ProjectTemplates/content/StarterWeb-CSharp/appsettings.json
+++ b/src/Microsoft.DotNet.Web.ProjectTemplates/content/StarterWeb-CSharp/appsettings.json
@@ -35,5 +35,6 @@
     "LogLevel": {
       "Default": "Warning"
     }
-  }
+  },
+  "AllowedHosts": [ "*" ]
 }
diff --git a/src/Microsoft.DotNet.Web.ProjectTemplates/content/WebApi-CSharp/appsettings.json b/src/Microsoft.DotNet.Web.ProjectTemplates/content/WebApi-CSharp/appsettings.json
index c1c40c7f94..b5aba22191 100644
--- a/src/Microsoft.DotNet.Web.ProjectTemplates/content/WebApi-CSharp/appsettings.json
+++ b/src/Microsoft.DotNet.Web.ProjectTemplates/content/WebApi-CSharp/appsettings.json
@@ -22,5 +22,6 @@
     "LogLevel": {
       "Default": "Warning"
     }
-  }
+  },
+  "AllowedHosts": [ "*" ]
 }
diff --git a/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/Angular-CSharp/appsettings.json b/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/Angular-CSharp/appsettings.json
index 6cf0b42b23..a895a76823 100644
--- a/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/Angular-CSharp/appsettings.json
+++ b/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/Angular-CSharp/appsettings.json
@@ -3,5 +3,6 @@
     "LogLevel": {
       "Default": "Warning"
     }
-  }
+  },
+  "AllowedHosts": [ "*" ]
 }
diff --git a/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/React-CSharp/appsettings.json b/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/React-CSharp/appsettings.json
index 6cf0b42b23..a895a76823 100644
--- a/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/React-CSharp/appsettings.json
+++ b/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/React-CSharp/appsettings.json
@@ -3,5 +3,6 @@
     "LogLevel": {
       "Default": "Warning"
     }
-  }
+  },
+  "AllowedHosts": [ "*" ]
 }
diff --git a/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/ReactRedux-CSharp/appsettings.json b/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/ReactRedux-CSharp/appsettings.json
index 6cf0b42b23..a895a76823 100644
--- a/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/ReactRedux-CSharp/appsettings.json
+++ b/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/ReactRedux-CSharp/appsettings.json
@@ -3,5 +3,6 @@
     "LogLevel": {
       "Default": "Warning"
     }
-  }
+  },
+  "AllowedHosts": [ "*" ]
 }