CQRS in NestJS
summary
Explains how to implement CQRS-style command-based architecture in NestJS using CommandBus. Starts from a small app built with a classic service-layer, then refactors it to use CommandBus and compares advantages and disadvantages of each approach to show when and how to use CommandBus in NestJS applications.
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chapters (10)
- 0:00CQRS intro
- 1:47CQRS theory and benefits
- 9:57Implementing CQRS
- 17:52Installing CQRS packages
- 21:04Event handling benefits
- 26:49Online store demo
- 31:33Read/write separation
- 34:05Command drawbacks
- 39:33CQRS pitfalls in NestJS
- 41:00Q&A
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