Make Your Business Rules Cleaner With Fluent Validation

☄️ Master the Modular Monolith Architecture: https://bit.ly/3SXlzSt 📌 Accelerate your Clean Architecture skills: https://bit.ly/3PupkOJ 🚀 Support me on Patreon to access the source code:   / milanjovanovic   Fluent Validation is a library for easily implementing rich validation rules. It also has support for asynchronous validation, which means you can test your business rules as part of your validation pipeline. I will show you how to validate a business rule in your validator by asynchronously calling the database. Join my weekly .NET newsletter: https://www.milanjovanovic.tech Read my Blog here: https://www.milanjovanovic.tech/blog Subscribe for more:    / @milanjovanovictech   Chapters 0:00 Implementing the Create Customer use case 3:25 Enforcing email uniqueness business rule 5:32 Adding FluentValidation and async validation 8:22 Registering FluentValidation with DI 9:03 Creating an endpoint for the use case 10:36 Running validation with IValidator 13:19 Enforcing unique constraints in the database