using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Threading.Tasks; using Microsoft.AspNetCore; using Microsoft.AspNetCore.Hosting; using Microsoft.Extensions.Configuration; using Microsoft.Extensions.Logging; namespace helloworld_csharp { public class Program { public static void Main(string[] args) { CreateWebHostBuilder(args).Build().Run(); } public static IWebHostBuilder CreateWebHostBuilder(string[] args) { string port = Environment.GetEnvironmentVariable("PORT") ?? "8080"; string url = String.Concat("http://0.0.0.0:", port); return WebHost.CreateDefaultBuilder(args) .UseStartup().UseUrls(url); } } }