https://velog.io/@yukina1418/Redis%EA%B0%80-%EC%82%AC%EB%9E%91%EB%B0%9B%EB%8A%94-%EC%9D%B4%EC%9C%A0%EC%97%90-%EB%8C%80%ED%95%98%EC%97%AC-%EC%9E%91%EC%84%B1%EC%A4%91
