version: "3"

  services:
    ipservice:
      image: capgemini/ipservice-boot-docker:latest
      networks:
        - ipservice

    ipclient:
      image: capgemini/ipclient-boot-docker:latest
      ports:
        - "8090:8090"
      networks:
        - ipservice

  networks:
    ipservice:

$ docker-compose up -d

$ docker stack deploy --compose-file=docker-compose.yml ipdemo

@EnableEurekaServer
@EnableAutoConfiguration
public class EurekaApplication {
  public static void main(String[] args) {
    SpringApplication.run(EurekaApplication.class, args);
  }
}

eureka.client.serviceUrl.defaultZone=http://eureka:8761/eureka/
eureka.instance.leaseRenewalIntervalInSeconds=5
spring.application.name=ipservice
eureka.instance.metadataMap.instanceId=ipservice:${random.value}
eureka.instance.preferIpAddress=true

@RibbonClient("ipclient")
... // Left out other Spring Cloud / Boot Annotations
public class IPAddressController {

  @Autowired
  private RestTemplate restTemplate;

  @RequestMapping(value = "/ip", method = RequestMethod.GET)
  public IPAddress ipaddress() throws Exception {
    return template.getForEntity("http://ipservice/ip", IPAddress.class).getBody();
  }
}

@RequestMapping(value = "/ip", method = RequestMethod.GET)
@HystrixCommand(fallbackMethod = "localIP")
public IPAddress ipaddress() throws Exception {
    return template.getForEntity("http://ipservice/ip", IPAddress.class).getBody();
}

public IPAddress localIP() throws UnknownHostException {
    return new IPAddress(++counter, InetAddress.getLocalHost().getHostAddress(),
        config.getMessage());
}