의존성// Security implementation 'org.springframework.boot:spring-boot-starter-security' implementation 'org.springframework.boot:spring-boot-starter-oauth2-client' 다음과 같이 Oauth2-client 의존성을 주입해준다. 설정 파일security: oauth2: client: provider: kakao: authorization-uri: https://kauth.kakao.com/oauth/authorize token-uri: https://kauth.kakao.com/oauth/token user-i..