diff --git a/Application/DependencyInjection.cs b/Application/DependencyInjection.cs
new file mode 100644
index 0000000..2686e15
--- /dev/null
+++ b/Application/DependencyInjection.cs
@@ -0,0 +1,19 @@
+using MediatR;
+using FluentValidation;
+using Microsoft.Extensions.DependencyInjection;
+using System.Reflection;
+using Mirea.Api.DataAccess.Application.Common.Behaviors;
+
+namespace Mirea.Api.DataAccess.Application;
+
+public static class DependencyInjection
+{
+    public static IServiceCollection AddApplication(this IServiceCollection services)
+    {
+        services.AddMediatR(cfg => cfg.RegisterServicesFromAssembly(Assembly.GetExecutingAssembly()));
+        services.AddValidatorsFromAssemblies(new[] { Assembly.GetExecutingAssembly() });
+        services.AddTransient(typeof(IPipelineBehavior<,>),
+            typeof(ValidationBehavior<,>));
+        return services;
+    }
+}
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