Update templates to use endpoint routing (#4500)

src/Templating/src/Microsoft.DotNet.Web.ProjectTemplates/content/EmptyWeb-CSharp/Startup.cs

@@ -25,9 +25,12 @@ namespace Company.WebApplication1
                 app.UseDeveloperExceptionPage();
             }
 
-            app.Run(async (context) =>
+            app.UseRouting(routes =>
             {
-                await context.Response.WriteAsync("Hello World!");
+                routes.MapGet("/", async context =>
+                {
+                    await context.Response.WriteAsync("Hello World!");
+                });
             });
         }
     }

src/Templating/src/Microsoft.DotNet.Web.ProjectTemplates/content/EmptyWeb-FSharp/Startup.fs

@@ -18,4 +18,6 @@ type Startup() =
         if env.IsDevelopment() then 
             app.UseDeveloperExceptionPage() |> ignore
 
-        app.Run(fun context -> context.Response.WriteAsync("Hello World!")) |> ignore
+        app.UseRouting(fun routing ->
+            routing.MapGet("/", fun context -> context.Response.WriteAsync("Hello World!")) |> ignore
+            ) |> ignore

src/Templating/src/Microsoft.DotNet.Web.ProjectTemplates/content/RazorPagesWeb-CSharp/Startup.cs

@@ -155,13 +155,18 @@ namespace Company.WebApplication1
 
 #endif
             app.UseStaticFiles();
+
+            app.UseRouting(routes =>
+            {
+                routes.MapApplication();
+            });
+
             app.UseCookiePolicy();
 
 #if (OrganizationalAuth || IndividualAuth)
             app.UseAuthentication();
-
 #endif
-            app.UseMvc();
+            app.UseAuthorization();
         }
     }
 }

src/Templating/src/Microsoft.DotNet.Web.ProjectTemplates/content/StarterWeb-CSharp/Startup.cs

@@ -154,18 +154,21 @@ namespace Company.WebApplication1
 
 #endif
             app.UseStaticFiles();
+
+            app.UseRouting(routes =>
+            {
+                routes.MapApplication();
+                routes.MapControllerRoute(
+                    name: "default",
+                    template: "{controller=Home}/{action=Index}/{id?}");
+            });
+
             app.UseCookiePolicy();
 
 #if (OrganizationalAuth || IndividualAuth)
             app.UseAuthentication();
-
 #endif
-            app.UseMvc(routes =>
-            {
-                routes.MapRoute(
-                    name: "default",
-                    template: "{controller=Home}/{action=Index}/{id?}");
-            });
+            app.UseAuthorization();
         }
     }
 }

src/Templating/src/Microsoft.DotNet.Web.ProjectTemplates/content/StarterWeb-FSharp/Startup.fs

@@ -40,10 +40,13 @@ type Startup private () =
 #endif
         app.UseStaticFiles() |> ignore
 
-        app.UseMvc(fun routes ->
-            routes.MapRoute(
+        app.UseRouting(fun routes ->
+            routes.MapApplication() |> ignore
+            routes.MapControllerRoute(
                 name = "default",
                 template = "{controller=Home}/{action=Index}/{id?}") |> ignore
             ) |> ignore
 
+        app.UseAuthorization() |> ignore
+
     member val Configuration : IConfiguration = null with get, set

src/Templating/src/Microsoft.DotNet.Web.ProjectTemplates/content/WebApi-CSharp/Startup.cs

@@ -61,13 +61,17 @@ namespace Company.WebApplication1
             }
 
             app.UseHttpsRedirection();
-#else
-
 #endif
+
+            app.UseRouting(routes =>
+            {
+                routes.MapApplication();
+            });
+
 #if (OrganizationalAuth || IndividualAuth)
             app.UseAuthentication();
 #endif
-            app.UseMvc();
+            app.UseAuthorization();
         }
     }
 }

src/Templating/src/Microsoft.DotNet.Web.ProjectTemplates/content/WebApi-FSharp/Startup.fs

@@ -36,6 +36,10 @@ type Startup private () =
 #else
 
 #endif
-        app.UseMvc() |> ignore
+        app.UseRouting(fun routes ->
+            routes.MapApplication() |> ignore
+            ) |> ignore
+
+        app.UseAuthorization() |> ignore
 
     member val Configuration : IConfiguration = null with get, set