CTT/Tools/FileServer/Program.cs

using System.IO;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;


namespace ETFileServer
{
    public class Program
    {
        public static void Main(string[] args)
        {
            CreateWebHostBuilder(args).Build().Run();
        }

        public static IWebHostBuilder CreateWebHostBuilder(string[] args)
        {
            IConfigurationRoot config = new ConfigurationBuilder()
                .SetBasePath(Directory.GetCurrentDirectory())
                .AddJsonFile("appsettings.json", true)
                .Build();

            Startup.config = config;
            
            return WebHost.CreateDefaultBuilder(args).UseUrls(config["urls"])
                .UseStartup<Startup>();
        }
    }
}