A very simple Spring Boot Application in groovy

springboot.groovy

#!/usr/bin/env groovy

package myapp

@Grab('org.springframework:spring-context:5.1.6.RELEASE')
@Grab('org.springframework:spring-web:5.1.6.RELEASE')

@Grab('org.springframework.boot:spring-boot:2.1.4.RELEASE')
@Grab('org.springframework.boot:spring-boot-starter:2.1.4.RELEASE')
@Grab('org.springframework.boot:spring-boot-starter-webflux:2.1.4.RELEASE')
@Grab('org.springframework.boot:spring-boot-starter-actuator:2.1.4.RELEASE')

import org.springframework.stereotype.Component
import org.springframework.boot.SpringApplication
import org.springframework.boot.autoconfigure.SpringBootApplication
import org.springframework.web.bind.annotation.RequestMapping
import org.springframework.web.bind.annotation.RequestParam
import org.springframework.web.bind.annotation.RestController

// Web-page at http://localhost:8080

@SpringBootApplication
@RestController
public class App {

    @RequestMapping("/")
    public String home() {
        return "Hello Spring Boot! " + new Date()
    }

    public static void main(String[] args) throws Exception{
         SpringApplication.run(App.class, args)	
	}
}