A reference implementation of an event-sourced system that uses PostgreSQL as an event store built with Spring Boot. Fork the repository and use it as a template for your projects. Or clone the repository and run end-to-end tests to see how everything works together.

🦎 A multi-protocol edge & service proxy. Seamlessly interface web apps, IoT clients, & microservices to Apache Kafka® via declaratively defined, stateless APIs.

本代码库为码如云后端代码。码如云是一个基于二维码的一物一码管理平台，可以为每一件“物品”生成一个二维码，手机扫码即可查看物品信息并发起相关业务操作，操作内容可由你自己定义，典型的应用场景包括固定资产管理、设备巡检以及物品标签等。在技术上，码如云是一个无代码平台，全程采用DDD、整洁架构和事件驱动架构思想完成开发。

Event-Driven Architecture for a microservices-based system with a clean architecture + Domain Driven Design (DDD) + CQRS pattern + Saga pattern + Outbox pattern + CDC.

Kafka sink connector for Amazon EventBridge to send events (records) from Kafka topic(s) to the specified EventBridge event bus

A sample of non-blocking retries and dead letter topics (aka reliable reprocessing and dead letter queues) with Apache Kafka using Spring Boot and Spring Kafka.

The application including two separate service product-service and offer-service with two other service service-registry for service discovery and api-gateway for dynamic service routing, load balancing. No need to know java just read the documentation and understand the workflow diagram, It's well enough to understand the microservice concept.

Reddog Cloud Native Solutions

A practical distributed system, built with Java Spring Boot, Vertical Slice Architecture, Event Driven Architecture, CQRS, DDD, gRpc, MongoDB and RabbitMq.

Govern Service RPC & Event-Driven Architecture Framework || Govern EventBus is no longer maintained, please use Wow instead.

IoT Gateway

☕A practical and imaginary food delivery microservices, built with java, spring boot, domain-driven design, cqrs, vertical slice architecture, event-driven architecture, and the latest technologies.

project that takes the values of some stock market shares in BIST, thanks to the finance-stream-service, adds them to elasticsearch and creates a cloud stream with the data it receives and aims to use the data received by other services.

Reference implementation toolkit for writing composable applications

Examples of how to handle errors when publishing and consuming domain events

Learn Microservices with Spring Boot (2nd edition) - Chapter 7

This project demonstrates how to build and manage microservices with Spring Boot, implement service discovery, and handle sync and async communication between services. It features a gateway for routing requests, service discovery for seamless service interaction, and circuit breakers for ensuring robust synchronous communication.

Mircoservice Core engine for IoT edge computing and cloud IoT

Sample project for Event Driven Architecture applied on bothFrontend and Backend. JEventbus and Eventbus.js are being used for this project.