Spring 입문 1주차 📖 Document https://protective-whale-78f.notion.site/Spring-c73514b964f0431ba291c3c0f3659363 Spring 입문 2주차 📖 Document https://protective-whale-78f.notion.site/Spring-LV2-055aa1ea01bc4de88edb450d107d5958 https://velog.io/@jaymild/Spring-JPA-Entity-DTO 📃 API 명세서 https://documenter.getpostman.com/view/24666737/2s8YzP24wf 📃 ERM 설계