DemoApplication.java

package org.demo;

import java.time.LocalDateTime;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.context.web.SpringBootServletInitializer;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@EnableAutoConfiguration
@RestController
public class DemoApplication extends SpringBootServletInitializer {

	public static void main(String[] args) {
		SpringApplication.run(DemoApplication.class, args);
	}

	@RequestMapping
	public String process() {
		return LocalDateTime.now().toString();
	}

	@Override
	protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
		return application.sources(DemoApplication.class);
	}
}