Further reading

Want to learn more about the concepts used in this library? These resources are a good place to start.

Domain-Driven Design

• Eric Evans, Domain-Driven Design: Tackling Complexity in the Heart of Software: the book that introduced the approach. See domainlanguage.com for the reference and other material.
• Vaughn Vernon, Implementing Domain-Driven Design: aggregates, value objects, repositories and domain events in practice.

CQRS and Event Sourcing

• Martin Fowler on Event Sourcing and CQRS.
• The Event Sourcing and CQRS patterns in the Azure Architecture Center, with their trade-offs.
• Greg Young, Versioning in an Event Sourced System: how to change events once they are stored.

NestJS

• The CQRS recipe of the NestJS documentation, whose @nestjs/cqrs inspired this library.
• The example application of this repository: a NestJS 12 application on PostgreSQL with aggregates, typed commands and queries, snapshots, subscribers, a publisher and readAll.