PlanTempusApp/PlanTempus.Application/Program.cs

using Autofac.Extensions.DependencyInjection;
using PlanTempus.Application;

var host = Host.CreateDefaultBuilder(args)
    .UseServiceProviderFactory(new AutofacServiceProviderFactory())
    .ConfigureWebHostDefaults(webHostBuilder =>
    {
        webHostBuilder
            .UseContentRoot(Directory.GetCurrentDirectory())
            .UseStartup<Startup>();
    })
    .Build();

host.Run();