spring-boot/spring-cli/samples/ui.groovy

@Grab("org.thymeleaf:thymeleaf-spring3:2.0.16")
@Controller
class Example {

	@RequestMapping("/")
	public String helloWorld(Map<String,Object> model) {
		model.putAll([title: "My Page", date: new Date(), message: "Hello World"])
		return "home";
	}

}