4.0.0 com.example calculator-server 0.0.1-SNAPSHOT 17 3.3.1 org.springframework.boot spring-boot-dependencies ${spring.boot.version} pom import org.springframework.boot spring-boot-starter-webflux org.apache.maven.plugins maven-compiler-plugin 3.11.0 ${java.version} ${java.version} true org.springframework.boot spring-boot-maven-plugin