diff --git a/src/Nocr.TelegramClient.AppServices/ServiceCollectionExtensions.cs b/src/Nocr.TelegramClient.AppServices/ServiceCollectionExtensions.cs
new file mode 100644
index 0000000..6913c9a
--- /dev/null
+++ b/src/Nocr.TelegramClient.AppServices/ServiceCollectionExtensions.cs
@@ -0,0 +1,16 @@
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Nocr.TelegramClient.AppServices;
+
+public static class ServiceCollectionExtensions
+{
+    public static IServiceCollection AddAppServices(this IServiceCollection services)
+    {
+        if (services == null) 
+            throw new ArgumentNullException(nameof(services));
+
+        // Add registrations here
+        
+        return services;
+    }
+}
\ No newline at end of file
diff --git a/src/Nocr.TelegramClient.Host/Infrastructure/Startup.cs b/src/Nocr.TelegramClient.Host/Infrastructure/Startup.cs
index fa4ee6c..1f04501 100644
--- a/src/Nocr.TelegramClient.Host/Infrastructure/Startup.cs
+++ b/src/Nocr.TelegramClient.Host/Infrastructure/Startup.cs
@@ -29,6 +29,7 @@ public class Startup
                 .WithOptions(opt => opt.FromConfiguration(Configuration))
                 .WithPolling(polling => polling.WithExceptionHandler<LoggingPollingExceptionHandler>()));
         services.AddTelegramBotHandling(typeof(BotClient).Assembly);
+        services.AddAppServices();
     }
 
     public void Configure(IApplicationBuilder app)