4.0.0 com.ankurm spring-modulith-demo 1.0.0 order-fulfillment jar order-fulfillment 4-module Spring Boot monolith (order, inventory, shipping, notification) verified with Spring Modulith's ApplicationModules.verify(), demonstrating a real boundary violation that fails then passes, module events via @ApplicationModuleListener, and generated module documentation. 25 org.springframework.boot spring-boot-dependencies ${spring-boot.version} pom import org.springframework.modulith spring-modulith-bom ${spring-modulith.version} pom import org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-data-jpa com.h2database h2 runtime org.springframework.modulith spring-modulith-starter-jpa org.springframework.boot spring-boot-starter-test test org.springframework.modulith spring-modulith-starter-test test org.springframework.boot spring-boot-configuration-processor provided order-fulfillment org.springframework.boot spring-boot-maven-plugin