개발 환경 AdoptOpenJDK version 8 IntelliJ IDEA SpringBoot (start.spring.io) Project 생성 (https://start.spring.io/) Project > Gradle-Groovy Language > Java SpringBoot version > 2.7.6 Artifact - firstproject Packaging > Jar Java > 8 Dependencies > Spring Web, H2 Database, Mustache, Spring Data JPA Hello World! src > main > resources > static > hello.html 작성
