Program.cs

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

namespace AspNetCoreSpa
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var host = BuildWebHost(args);

            // http://odetocode.com/blogs/scott/archive/2016/09/20/database-migrations-and-seeding-in-asp-net-core.aspx
            ProcessDbCommands.Process(args, host);

            host.Run();

        }

        public static IWebHost BuildWebHost(string[] args) =>
          WebHost.CreateDefaultBuilder(args)
                    .UseConfiguration(new ConfigurationBuilder()
                  .SetBasePath(Directory.GetCurrentDirectory())
                  .AddJsonFile("hosting.json", optional: true)
                  .Build()
              )
              .UseStartup<Startup>()
              .UseKestrel(a => a.AddServerHeader = false)
              .Build();
    }
}