후후후후

참고 자료 : https://medium.com/@syedharismasood4/building-reliable-microservices-with-the-transactional-outbox-pattern-in-spring-boot-952d96f8b534https://medium.com/@egorponomarev/outbox-pattern-in-spring-boot-8e8cf116f044https://medium.com/@greg.shiny82/%ED%8A%B8%EB%9E%9C%EC%9E%AD%EC%85%94%EB%84%90-%EC%95%84%EC%9B%83%EB%B0%95%EC%8A%A4-%ED%8C%A8%ED%84%B4%EC%9D%98-%EC%8B%A4%EC%A0%9C-%EA%B5%AC%ED%98%8..