Fixed build break and used new pattern for using mvc

src/MusicStore/Startup.cs

@@ -23,18 +23,15 @@ using System.IO;
 public class Startup
 {
 
-    private static void ConfigureServices(ServiceCollection services)
+    public void Configuration(IBuilder app)
+    {
+        app.UseServices(services =>
         {
             services.AddInstance<ILoggerFactory>(new NullLoggerFactory());
             services.AddMvc();
-
             services.AddInstance<UserManager<ApplicationUser>>(new UserManager<ApplicationUser>(new InMemoryUserStore<ApplicationUser>()));
             services.AddInstance<RoleManager<IdentityRole>>(new RoleManager<IdentityRole>(new InMemoryRoleStore<IdentityRole>()));
-    }
+        });
-
-    public void Configuration(IBuilder app)
-    {
-        app.UseContainer(ConfigureServices);
 
         //ErrorPageOptions.ShowAll to be used only at development time. Not recommended for production. 
         app.UseErrorPage(ErrorPageOptions.ShowAll);
@@ -47,11 +44,8 @@ public class Startup
             LoginPath = new PathString("/Account/Login")
         });
 
-        var routes = new RouteCollection()
+        app.UseMvc(routes =>
         {
-            DefaultHandler = new MvcRouteHandler(),
-        };
-
             routes.MapRoute(
                 "{controller}/{action}",
                 new { controller = "Home", action = "Index" });
@@ -59,8 +53,7 @@ public class Startup
             routes.MapRoute(
                 "{controller}",
                 new { controller = "Home" });
-
+        });
-        app.UseRouter(routes);
 
         SampleData.InitializeMusicStoreDatabaseAsync().Wait();
         CreateAdminUser(app.ServiceProvider);