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NestJS Enterprise Backend APIs · Lesson

Event-Driven Architecture

Understand the principles of event-driven architecture and how events can facilitate loose coupling between services.

Intro to Event-Driven Arch.

Welcome to Event-Driven Architecture (EDA)! This powerful design pattern helps build flexible and scalable systems.

In EDA, services communicate indirectly by emitting and reacting to events rather than making direct requests.

Why Use EDA?

EDA offers several key advantages for modern applications:

  • Loose Coupling: Services don't need to know about each other's internal workings.
  • Scalability: Easier to add new consumers without changing producers.
  • Resilience: If one service fails, others can often continue processing.
  • Responsiveness: Actions can trigger multiple parallel reactions.

All lessons in this course

  1. Monorepo vs. Microservices
  2. CQRS Pattern Overview
  3. Event-Driven Architecture
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