Event Sourcing: Core Principles and Implementation in NestJS
summary
Covers the Event Sourcing pattern and its trade-offs, showing how to migrate a simple layered CRUD application to event-based state using NestJS. Demonstrates concrete implementation steps, discusses issues and common mistakes that arise when adding events, and explains what problems Event Sourcing solves and why it’s not a silver bullet.
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chapters (8)
- 0:00Introduction
- 3:55Event Sourcing
- 8:09NestJS implementation
- 14:50Performance fixes
- 21:12CQRS optimization
- 28:16Data migrations
- 35:23Summary
- 37:07Q&A
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