Index: iknow-api/Program.cs
===================================================================
--- iknow-api/Program.cs	(revision e49c3ed29c9cabd1ad53e1ee59408de56ad28cc5)
+++ iknow-api/Program.cs	(revision cab02ada65fcd8feda776e5afc86a355f29c7f96)
@@ -43,4 +43,6 @@
 builder.Services.AddScoped<IAuthService, AuthService>();
 builder.Services.AddScoped<IUserRepository, UserRepository>(); // You'll need to add the UserRepository implementation
+builder.Services.AddScoped<IUserService, UserService>();
+
 builder.Services.AddAuthorization();
 var app = builder.Build();