https://velog.io/@roycewon/블루-그린-무중단-배포와-Graceful-shutdown-Spring-boot-and-docker
https://akku-dev.tistory.com/46
https://velog.io/@shyuuuuni/OAuth-알아보기-with-github-로그인
https://youtu.be/5rqlqon8xko?si=pvpGoIzPhJq0_awm
https://youtu.be/cflK7FTGPlg?si=Fe4zH_GbfxLJno8M
https://sundries-in-myidea.tistory.com/102#google_vignette