public static void Main(string[] args)
{
var host = new WebHostBuilder()
.UseKestrel()
.UseContentRoot(Directory.GetCurrentDirectory())
.UseUrls("http://localhost:60000", "http://localhost:60001", "http://localhost:60002", "http://localhost:60003")
.UseIISIntegration()
.UseStartup<Startup>()
.Build();
host.Run();
}