H2와 JPA 연결하기 위한 properties 설정들
spring.output.ansi.enabled=always logging.level.org.springframework.web=DEBUG logging.level.org.hibernate=DEBUG spring.jpa.hibernate.ddl-auto=update spring.jpa.generate-ddl=true spring.jpa.show-sql=true spring.jpa.properties.hibernate.format_sql=true spring.h2.console.enabled=true spring.datasource.url=jdbc:h2:tcp://localhost/~/test spring.datasource.driver-class-name=org.h2.Driver spring.dataso..