public void Configure(IApplicationBuilder app, IHostingEnvironment env) { if (env.IsDevelopment()) { app.UseDeveloperExceptionPage(); app.UseDatabaseErrorPage(); } else { app.UseExceptionHandler("/Home/Error"); // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts. app.UseHsts(); } app.UseHttpsRedirection(); app.UseStaticFiles(); app.UseCookiePolicy(); app.UseAuthentication(); app.UseMvc(routes => { routes.MapRoute( "default", "{controller}/{action}", new { Controller = "Home", Action = nameof(HomeController.Index) }); }); app.MapWhen( context => { return(!context.Request.Path.Value.ToLower().StartsWith("/api")); }, builder => { builder.UseMvc(routes => { routes.MapSpaFallbackRoute( "spa", new { Controller = "Home", Action = nameof(HomeController.Index) }); }); }); AppConfigurator.InitDbContext(Configuration); }