4.0.0 org.springframework.boot spring-boot-starter-parent 3.4.2 dev.awesomedev mirim-backend 0.1.0 mirim-backend 어썸데브 수습 학습 플랫폼 API 서버 21 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-data-jpa org.springframework.boot spring-boot-starter-security org.springframework.boot spring-boot-starter-validation org.postgresql postgresql runtime org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin