4.0.0 org.springframework.boot spring-boot-starter-parent 4.1.1 com.ankurm project-structure 1.0.0 project-structure The same Spring Boot 4 application laid out package-by-layer and package-by-feature 21 org.springframework.boot spring-boot-starter-webmvc org.springframework.boot spring-boot-starter-validation org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin com.ankurm.structure.byfeature.ByFeatureApp