HelloWorldApplication.java

 package com.springhow.example.helloworld;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@SpringBootApplication
public class HelloWorldApplication extends SpringBootServletInitializer {

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

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


    @RequestMapping("/")
    String helloWorld() {
        return "Hi vivek very soon you will have congrats news just do it!! Also added new function webhook";
    }

}