Metadata.java

@Controller("/metadata")
public class MetadataController {

    final static Logger logger = LoggerFactory.getLogger(MetadataController.class);
    private ServiceInstance serviceInstance;
    @Inject ApplicationContext applicationContext;
    String testConfigValue = null;

    @Inject
    MetadataController( @Property(name="test") String test ){
        this.testConfigValue = test;
    }

    @EventListener
    void onServiceStarted(ServiceStartedEvent event) {
        ServiceInstance serviceInstance = event.getSource();
        this.serviceInstance = serviceInstance;
    }

    @Get("/")
    public HttpStatus index() {
        return HttpStatus.OK;
    }
}