4.0.0 org.springframework.boot spring-boot-starter-parent 2.0.5.RELEASE com.baeldung hexagonal-architecture-poc 0.0.1-SNAPSHOT hexagonal-architecture-poc Demo project for Hexagonal Architecture POC 1.8 org.springframework.boot spring-boot-starter-data-jpa com.h2database h2 runtime org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-maven-plugin