For micro-api tutorial

Program.cs

using System;
using Microsoft.Owin.Hosting;

namespace SelfHosted{
  class Program{
    static void Main(string[] args){
      using (WebApp.Start("http://localhost:8080")){
        Console.WriteLine("Web Server is running.");
        Console.WriteLine("Press any key to quit.");
        Console.ReadLine();
      }
    }
  }
}