4.0.0 spring-boot-basic-customization spring-boot-basic-customization jar Module For Spring Boot Basic Customization com.baeldung parent-boot-2 0.0.1-SNAPSHOT ../../parent-boot-2 org.springframework.boot spring-boot-starter org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-thymeleaf org.springframework.boot spring-boot-starter-test test com.baeldung.changeport.CustomApplication