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Distributed event-driven microservices

Java, Spring Boot, Kafka, Elasticsearch, PostgreSQL, Prometheus, Grafana, Logstash, Kibana

Introduction

A distributed event-driven microservices project using Spring boot, Spring cloud, Kafka and Elasticsearch

  • Implemented CQRS and event sourcing pattern in Spring Boot, Spring Cloud, Apache Kafka, and Elasticsearch
  • Utilized mock streaming tweets as source data and Docker for microservices containerization
  • Adopted accept header/ content negotiation pattern for API versioning
  • Externalized configuration in a separate config server repository

Event-driven Microservices Architecture

microservices_20240528

Live Demo

  • Containerization of three microservices with docker images:
    • twitter-to-kafka-service
    • kafka-to-elastic-service
    • elastic-query-service
live.demo.of.microservices.mov

TODO

  • Elastic query service
  • Reactive elastic web client service
  • Security
  • Kafak stream state store
  • Postgres analytics store
  • Netflex Eureka discovery service
  • Spring API gateway & Redis rate limiter
  • Monitored microservices with Prometheus, Grafana, and ELK stack (Elasticsearch, Logstash and Kibana)