spring-boot-event-driven-patterns
Event-Driven Architecture patterns for Spring Boot using domain events, transactional listeners, and Kafka messaging.
- Covers domain event design, ApplicationEventPublisher integration, and
@TransactionalEventListenerconfiguration for local event handling with AFTER_COMMIT phase guarantees - Supports distributed messaging via Kafka and Spring Cloud Stream for inter-service communication with functional consumer beans
- Implements the transactional outbox pattern for reliable event publishing and includes retry logic with dead-letter queue handling
- Provides testing strategies using Testcontainers for Kafka integration and includes best practices for event naming, idempotent handlers, and correlation ID tracing
Spring Boot Event-Driven Patterns
Overview
Implement Event-Driven Architecture (EDA) patterns in Spring Boot 3.x using domain events, ApplicationEventPublisher, @TransactionalEventListener, and distributed messaging with Kafka and Spring Cloud Stream.
When to Use
- Implementing event-driven microservices with Kafka messaging
- Publishing domain events from aggregate roots in DDD architectures
- Setting up transactional event listeners that fire after database commits
- Adding async messaging with producers and consumers via Spring Kafka
- Ensuring reliable event delivery using the transactional outbox pattern
- Replacing synchronous calls with event-based communication between services
Quick Reference
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