4.0.0 aws-app-sync aws-app-sync Spring Boot using AWS App Sync com.baeldung parent-boot-2 0.0.1-SNAPSHOT ../parent-boot-2 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-test test org.junit.vintage junit-vintage-engine org.springframework.boot spring-boot-starter-webflux org.springframework.boot spring-boot-maven-plugin