4.0.0 org.springframework.boot spring-boot-starter-parent 3.1.5 com.example spring-crash-course 0.0.1-SNAPSHOT spring-crash-course Demo project for Spring Boot 17 org.springframework.boot spring-boot-starter-data-jpa org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-devtools runtime true org.postgresql postgresql runtime org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin