4.0.0 customer-transform customer-transform jar Example transform ETL step com.baeldung spring-cloud-data-flow-etl 0.0.1-SNAPSHOT org.springframework.cloud spring-cloud-dependencies ${spring-cloud.version} pom import org.springframework.cloud spring-cloud-stream-binder-rabbit org.springframework.boot spring-boot-starter-test test org.springframework.cloud spring-cloud-stream-test-support test org.springframework.boot spring-boot-maven-plugin Hoxton.SR4