Display → Product 연동 구간에 Circuit Breaker를 적용!
[display] build.gradle에 hystrix dependency추가
compile('org.springframework.cloud:spring-cloud-starter-netflix-hystrix')
[display] DisplayApplication에 @EnableCircuitBreaker추가
@EnableCircuitBreaker
[display] ProductRemoteServiceImp에 @HystrixCommand 추가
@HystrixCommand