[JWT Token]

회원관리 API 개발 _ 회원가입, 로그인 (사용자ver, 관리자ver)
:jwt token을 이용

⬇️ build.gradle에 library추가하기
https://suddiyo.tistory.com/entry/Spring-Spring-Security-JWT-%EB%A1%9C%EA%B7%B8%EC%9D%B8-%EA%B5%AC%ED%98%84%ED%95%98%EA%B8%B0-2

https://charactermail.tistory.com/491#google_vignette

https://kyung-a.tistory.com/32

• https://pingu514.tistory.com/45
  ❓ 정규화도 넣어주는 이유는?

토큰 만들 때 secret key 생성
https://yln2.github.io/ub64/
⬇️ 만들어 주신 분
https://blog.naver.com/PostView.naver?blogId=yln__&logNo=221980845207

https://stackoverflow.com/questions/37046771/base64-encode-string-command-line-windows

공부하기
https://velog.io/@rainbowweb/%EC%8A%A4%ED%94%84%EB%A7%81%EC%8B%9C%ED%81%90%EB%A6%AC%ED%8B%B0-3-JWT-%EB%A1%9C%EA%B7%B8%EC%9D%B8-%EB%B0%A9%EC%8B%9D

https://kimjingyu.tistory.com/entry/JWTJSON-Web-Token