4.0.0 org.springframework.boot spring-boot-starter-parent 2.3.2.RELEASE com.tarzan recommend 0.0.1-SNAPSHOT recommend_system Demo project for Spring Boot 1.8 org.springframework.boot spring-boot-starter org.projectlombok lombok true org.springframework.boot spring-boot-starter-test test org.junit.vintage junit-vintage-engine org.assertj assertj-core 3.16.1 compile org.springframework.boot spring-boot-maven-plugin