Update to IHost

- Return IHost from CreateHostBuilder
- Register AutoFac with UseServiceProviderFactory() in CreateHostBuilder

Author: mvelosop

src/Services/Ordering/Ordering.BackgroundTasks/Program.cs

@@ -1,28 +1,27 @@
 using Autofac.Extensions.DependencyInjection;
+using Microsoft.AspNetCore;
+using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Ordering.BackgroundTasks.Extensions;
-using Ordering.BackgroundTasks.Tasks;
 using Serilog;
 using System.IO;
-using Microsoft.AspNetCore;
-using Microsoft.AspNetCore.Hosting;
 
 namespace Ordering.BackgroundTasks
 {
     public class Program
     {
-        public static readonly string Namespace = typeof(Program).Namespace;
-        public static readonly string AppName = Namespace;
+        public static readonly string AppName = typeof(Program).Assembly.GetName().Name;
 
         public static void Main(string[] args)
         {
             CreateHostBuilder(args).Run();
         }
 
-        public static IWebHost CreateHostBuilder(string[] args) =>
-           WebHost.CreateDefaultBuilder(args)
+        public static IHost CreateHostBuilder(string[] args) =>
+            Host.CreateDefaultBuilder(args)
+                .UseServiceProviderFactory(new AutofacServiceProviderFactory())
+                .ConfigureWebHostDefaults(webBuilder => webBuilder.UseStartup<Startup>())
                 .ConfigureAppConfiguration((host, builder) =>
                 {
                     builder.SetBasePath(Directory.GetCurrentDirectory());
@@ -32,7 +31,6 @@ public static IWebHost CreateHostBuilder(string[] args) =>
                     builder.AddCommandLine(args);
                 })
                 .ConfigureLogging((host, builder) => builder.UseSerilog(host.Configuration).AddSerilog())
-                .UseStartup<Startup>()
                 .Build();
     }
 }

src/Services/Ordering/Ordering.BackgroundTasks/Startup.cs

@@ -21,19 +21,13 @@ public Startup(IConfiguration configuration)
 
         public IConfiguration Configuration { get; }
 
-        public virtual IServiceProvider ConfigureServices(IServiceCollection services)
+        public virtual void ConfigureServices(IServiceCollection services)
         {
             services.AddCustomHealthCheck(this.Configuration)
                 .Configure<BackgroundTaskSettings>(this.Configuration)
                 .AddOptions()
                 .AddHostedService<GracePeriodManagerService>()
-                .AddEventBus(this.Configuration)
-                .AddAutofac(container => container.Populate(services));
-
-            var container = new ContainerBuilder();
-            container.Populate(services);
-
-            return new AutofacServiceProvider(container.Build());
+                .AddEventBus(this.Configuration);
         }