Update PrometheusService.java

main/src/main/java/com/ongres/pgio/main/PrometheusService.java

@@ -42,6 +42,8 @@ public class PrometheusService extends NanoHTTPD {
   public PrometheusService(Config config) throws IOException {
     super(config.getPrometheusBind().getHostName(),
         config.getPrometheusPort());
+    System.out.println(config.getPrometheusBind().getHostName());
+    System.out.println(config.getPrometheusPort());
     start(NanoHTTPD.SOCKET_READ_TIMEOUT, false);
     this.config = config;
   }