Creating a Project with Visual Studio:

* Further simplify code for running simple "Hello World!"

DutchTreat/Startup.cs

@@ -21,16 +21,10 @@ namespace DutchTreat
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
         public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
         {
-
-            app.UseRouting();
-
-            app.UseEndpoints(endpoints =>
-            {
-                endpoints.MapGet("/", async context =>
+            app.Run(async context =>
             {
                 await context.Response.WriteAsync("Hello World!");
             });
-            });
         }
     }
 }