https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/web/reactive/function/client/WebClient.html

import org.springframework.web.reactive.function.client

비동기 == 논블로킹, 동기 == 블로킹 ?

https://musma.github.io/2019/04/17/blocking-and-synchronous.html