4.0.0 org.springframework.boot spring-boot-starter-parent 2.1.6.RELEASE org.baeldung.examples.r2dbc r2dbc-example 0.0.1-SNAPSHOT r2dbc-example Sample R2DBC Project 1.8 0.8.0.M8 org.springframework.boot spring-boot-starter-webflux org.springframework.boot spring-boot-starter-test test io.projectreactor reactor-test test io.r2dbc r2dbc-h2 ${r2dbc-h2.version} org.springframework.boot spring-boot-configuration-processor true org.springframework.boot spring-boot-devtools org.springframework.boot spring-boot-maven-plugin spring-snapshots Spring Snapshots https://repo.spring.io/snapshot true spring-milestones Spring Milestones https://repo.spring.io/milestone false