4.0.0 org.springframework.boot spring-boot-starter-parent 4.0.0-M3 de.pnreichmuth timekeep-backend 0.0.1-SNAPSHOT timekeep-backend Demo project for Spring Boot 25 org.springframework.boot spring-boot-starter-data-jdbc org.springframework.boot spring-boot-starter-data-jpa org.springframework.boot spring-boot-starter-websocket org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin