4.0.0 org.springframework.boot spring-boot-starter-parent 2.7.1 com.kob backend 0.0.1-SNAPSHOT backend Demo project for Spring Boot 1.8 org.springframework.boot spring-boot-starter-thymeleaf org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin 2.7.1