public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory)
{
loggerFactory.AddConsole(Configuration.GetSection("Logging"));
loggerFactory.AddDebug();
app.UseCors(config =>
config.AllowAnyHeader().AllowAnyMethod().AllowAnyOrigin());
app.UseDefaultFiles();
app.UseStaticFiles();
app.UseWebSockets();
app.UseSignalR("/signalr");
app.UseMvc();
}