Ordering.Api Mediator pipeline error solved

src/Services/Ordering/Ordering.API/Application/Behaviors/TransactionBehaviour.cs

@@ -3,6 +3,7 @@
 using Microsoft.Extensions.Logging;
 
 public class TransactionBehaviour<TRequest, TResponse> : IPipelineBehavior<TRequest, TResponse>
+    where TRequest : IRequest<TResponse>
 {
     private readonly ILogger<TransactionBehaviour<TRequest, TResponse>> _logger;
     private readonly OrderingContext _dbContext;