Update

src/BackOffice.BFF.Application/ConfigureServices.cs

@@ -0,0 +1,32 @@
+using BackOffice.BFF.Application.Common.Behaviours;
+using MapsterMapper;
+using System.Reflection;
+
+namespace Microsoft.Extensions.DependencyInjection;
+
+public static class ConfigureServices
+{
+    public static IServiceCollection AddApplicationServices(this IServiceCollection services)
+    {
+        services.AddMapping();
+        services.AddValidatorsFromAssembly(Assembly.GetExecutingAssembly());
+        services.AddMediatR(AppDomain.CurrentDomain.GetAssemblies());
+
+        services.AddTransient(typeof(IPipelineBehavior<,>), typeof(UnhandledExceptionBehaviour<,>));
+        services.AddTransient(typeof(IPipelineBehavior<,>), typeof(ValidationBehaviour<,>));
+        services.AddTransient(typeof(IPipelineBehavior<,>), typeof(PerformanceBehaviour<,>));
+
+        return services;
+    }
+    private static IServiceCollection AddMapping(this IServiceCollection services)
+    {
+        var typeAdapterConfig = TypeAdapterConfig.GlobalSettings;
+        // scans the assembly and gets the IRegister, adding the registration to the TypeAdapterConfig
+        typeAdapterConfig.Scan(Assembly.GetExecutingAssembly());
+        // register the mapper as Singleton service for my application
+        var mapperConfig = new Mapper(typeAdapterConfig);
+        services.AddSingleton<IMapper>(mapperConfig);
+        return services;
+    }
+}
+