A comprehensive guide to implementing Command Query Responsibility Segregation (CQRS) pattern in NestJS applications. Covers the fundamentals of CQRS architecture, comparing it with traditional CRUD/layered approaches, and walks through building a voting application using the @nestjs/cqrs module. Explains core concepts
Table of contents
Project SetupGeneral API ArchitectureThe Crud/Layered ArchitectureCQRS / Stream-Oriented Architecture BriefWhat We Will Be BuildingThe @nextjs/cqrs ModuleBuilding the Demo AppSetting up the Poll ModuleInitializing @nest/cqrsAdding QueriesAdding CommandsEventsSagasSort: