Validation Behavior | MediatR + FluentValidation | CLEAN ARCHITECTURE & DDD Tutorial | Part 8

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Today we'll create a custom MediatR validation pipeline that will validate our commands and queries using the FluentValidation library.

Give MediatR a ⭐:
github.com/jbogard/MediatR

Give FluentValidation a ⭐:
github.com/FluentValidation/FluentValidation

Related Videos:
FluentValidation:    • Model Validation | Validation Attributes v...  
MediatR:    • CQRS & MediatR | ASP.NET 6 REST API Follow...  

#dotnet #csharp

00:00. Intro
00:34. Current app state
01:10. Pipeline behaviors 101
01:56. Implementing a RegisterCommand validation pipeline behavior
10:20. Implementing a generic validation pipeline behavior
17:02. Fixing the error response
22:09. How MediatR pipelines actually work