Hello Zelenium( https://dev.to/bufferings/tried-zalenium-to-run-selenium-tests-on-scalable-containers-2n7c )

GebConfig.groovy

import org.openqa.selenium.Platform;
import org.openqa.selenium.remote.BrowserType;
import org.openqa.selenium.remote.CapabilityType;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;

driver = {
  def capabilities = new DesiredCapabilities();
  capabilities.setCapability(CapabilityType.BROWSER_NAME, BrowserType.FIREFOX);
  capabilities.setCapability(CapabilityType.PLATFORM_NAME, Platform.LINUX);
  capabilities.setCapability("screenResolution", "1280x720");
  capabilities.setCapability("tz", "Asia/Tokyo");

  def remoteWebDriverUrl = new URL("http://localhost:4444/wd/hub")
  new RemoteWebDriver(remoteWebDriverUrl, capabilities)
}

HelloZelenium.groovy

@Grapes([
  @Grab("org.gebish:geb-core:2.1"),
  @Grab("org.seleniumhq.selenium:selenium-chrome-driver:3.11.0"),
  @Grab("org.seleniumhq.selenium:selenium-support:3.11.0")
])
import geb.Browser

Browser.drive {
  go "http://gebish.org"

  assert title == "Geb - Very Groovy Browser Automation"

  $("div.menu a.manuals").click()
  waitFor { !$("#manuals-menu").hasClass("animating") }

  $("#manuals-menu a")[0].click()

  assert title.startsWith("The Book Of Geb")
}