https://spring.io/projects/spring-boot#learn Spring BootCommercial support Business support from Spring experts during the OSS timeline, plus extended support after OSS End-Of-Life. Publicly available releases for critical bugfixes and security issues when requested by customers.spring.io 1. Spring Boot -> Projects -> Learn 페이지 접속2. 현재까지 릴리즈된 스프링 버전 중 선택하고자하는 버전 클릭3. Reference Docs. 클릭 시, 해당 스프링..