https://devblog.kakaostyle.com/ko/2018-08-23-1-check-analytics-2/ https://devblog.kakaostyle.com/ko/2018-07-10-1-check-analytics-1/ https://www.raoun.me/posts/typesafe-log https://spoqa.github.io/2023/04/28/journey-to-building-an-event-log-system.html https://toss.tech/article/engineering-note-5 https://brunch.co.kr/@jinny/18
