메시지서버
Learn NestJS by Building a CRUD API
https://www.freecodecamp.org/news/learn-nestjs-by-building-a-crud-apiTypeORM 데코레이터 씹어먹기
https://yangeok.github.io/orm/2020/12/14/typeorm-decorators.html#viewentitytypeORM relationship 설정하기, (Many-to-One, One-to-One, many-to-many)
https://darrengwon.tistory.com/898Mac 유저를 위한 PostgreSQL 설치 및 유저,데이터베이스 설정하기
https://medium.com/@parkopp/mac-%EC%9C%A0%EC%A0%80%EB%A5%BC-%EC%9C%84%ED%95%9C-postgresql-%EC%84%A4%EC%B9%98-%EB%B0%8F-%EC%9C%A0%EC%A0%80-%EB%8D%B0%EC%9D%B4%ED%84%B0%EB%B2%A0%EC%9D%B4%EC%8A%A4-%EC%84%A4%EC%A0%95%ED%95%98%EA%B8%B0-67f5b6e6753d
데이터분석
Amplitude 퀵 스타트 가이드
https://blog.ab180.co/posts/amplitude-quick-start-guide[무료] [데브원영]아파치 카프카 for beginners - 인프런 | 강의
https://www.inflearn.com/course/%EC%95%84%ED%8C%8C%EC%B9%98-%EC%B9%B4%ED%94%84%EC%B9%B4-%EC%9E%85%EB%AC%B8