Test.OldAutofacStartupIntegration

Program.cs

using System;
using System.IO;
using Autofac;
using Autofac.Extensions.DependencyInjection;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

namespace Test.OldAutofacStartupIntegration
{
    public interface IFoo
    {
    }

    public class Foo : IFoo
    {
    }

    public class Startup
    {
        public static ILifetimeScope LifetimeScope { get; set; }

        public IServiceProvider ConfigureServices(IServiceCollection services)
        {
            var containerBuilder = new ContainerBuilder();
            containerBuilder.RegisterType<Foo>().AsImplementedInterfaces().SingleInstance();
            containerBuilder.Populate(services);
            containerBuilder.Update(LifetimeScope.ComponentRegistry);
            return LifetimeScope.Resolve<IServiceProvider>();
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory,
            Lazy<IFoo> foo)
        {
            loggerFactory.AddConsole();

            app.Run(async (context) =>
            {
                await context.Response.WriteAsync($"Hello World! {foo.Value.GetHashCode()}");
            });
        }
    }

    public class Program
    {
        public static void Main(string[] args)
        {
            try
            {
                using (var container = new ContainerBuilder().Build())
                {
                    Startup.LifetimeScope = container;                                             // this works
                    //Startup.LifetimeScope = container.BeginLifetimeScope(containerBuilder => { }); // this does not work, and I don't know why

                    var host = new WebHostBuilder()
                        .UseKestrel()
                        .UseContentRoot(Directory.GetCurrentDirectory())
                        .UseIISIntegration()
                        .UseStartup<Startup>()
                        .Build();

                    host.Run();// non-working case throws here with Autofac.Core.DependencyResolutionException
                }
            }
            catch (Exception exception)
            {
                Console.WriteLine(exception);
            }
        }
    }
}

project.json

{
  "dependencies": {
    "Autofac": "4.1.1",
    "Autofac.Extensions.DependencyInjection": "4.0.0",
    "Microsoft.AspNetCore.Diagnostics": "1.1.0-preview1-final",
    "Microsoft.AspNetCore.Server.IISIntegration": "1.1.0-preview1-final",
    "Microsoft.AspNetCore.Server.Kestrel": "1.1.0-preview1-final",
    "Microsoft.Extensions.DependencyInjection": "1.1.0-preview1-final",
    "Microsoft.Extensions.Logging.Console": "1.1.0-preview1-final"
  },

  "tools": {
  },

  "frameworks": {
    "netcoreapp1.0": {
      "dependencies": {
        "Microsoft.NETCore.App": {
          "version": "1.0.1",
          "type": "platform"
        }
      },
      "imports": [
        "dotnet5.6",
        "portable-net45+win8"
      ]
    }
  },

  "buildOptions": {
    "emitEntryPoint": true,
    "preserveCompilationContext": true
  },

  "runtimeOptions": {
    "configProperties": {
      "System.GC.Server": true
    }
  },

  "publishOptions": {
    "include": [
      "web.config"
    ]
  },

  "scripts": {
    "postpublish": [ "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%" ]
  }
}