PART 4 - Layers and data transfer objects(DTO) in TypeScript (BUILD CLEANER BACKENDS!)

This is part 4 of a series where we will cover many patterns and concepts in order to build applications that scale beyond a simple CRUD. At the end of the series we will have a N-Layer architecture built on top of Express with Typescript. Assignment Repository: https://github.com/donnyroufs/part-4-... Timestamps Introduction - 0:00 Layers - 0:49 Difference between layers and tiers - 2:52 Data transfer object - 4:01 Input validation - 5:13 Response & Request Pattern - 7:34 Tools - 9:18 Assignment - 9:55