Spring CQRS and Event Sourcing microservice example 👋‍💫✨

Topics

• java docker kafka cqrs spring mongodb ddd grafana postgresql swagger event-sourcing prometheus clean-architecture flyway eventsourcing cqrs-es jaeger resilience4j event-sourcing-and-cqrs

👨‍💻 Full list what has been used:

• Spring - Java Spring
• Spring Data JPA - data access layer
• Spring Data MongoDB - Spring Data MongoDB
• Spring Cloud Sleuth - Spring Cloud Sleuth distributed tracing
• Kafka - Spring for Apache Kafka
• PostgreSQL - PostgreSQL database.
• Jaeger - Jaeger is a distributed tracing system
• Docker - Docker
• Prometheus - Prometheus
• Grafana - Grafana
• Flyway - Database migrations
• Resilience4j - Resilience4j is a lightweight, easy-to-use fault tolerance
• Swagger OpenAPI 3 - java library helps to automate the generation of API documentation

Swagger UI:

http://localhost:8006/swagger-ui/index.html

Jaeger UI:

http://localhost:16686

Prometheus UI:

http://localhost:9090

Grafana UI:

http://localhost:3005

For local development:

make local // runs docker-compose.yaml with all required containers
run spring application