@PostConstruct
	public void postprocess() {
		if (StringUtils.hasText(zoneConfig.getZone())) {
			return;
		}
		String zone = getZoneFromEureka();
		if (StringUtils.hasText(zone)) {
			if (LOG.isDebugEnabled()) {
				LOG.debug("Setting the value of '" + LOADBALANCER_ZONE + "' to " + zone);
			}
			zoneConfig.setZone(zone);
		}
	}
A configuration for Spring Cloud LoadBalancer that retrieves client instance zone from
Eureka and sets it as a property. Based on
{@link EurekaLoadBalancerClientConfiguration}.

@author Olga Maciaszek-Sharma
@since 2.2.1
@see EurekaLoadBalancerClientConfiguration
spring-cloud-netflix-eureka-client/src/main/java/org/springframework/cloud/netflix/eureka/loadbalancer/EurekaLoadBalancerClientConfiguration.java