4.0.0 org.springframework.boot spring-boot-starter-parent 2.1.6.RELEASE com.baeldung HexagonalLibrary 0.0.1-SNAPSHOT HexagonalLibrary HexagonalLibrary 1.8 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin com.baeldung.HexagonalLibrary