all-in-one/backend/springboot/README.md

Create Spring Boot Project

Reference

• Browse Spring Initialzr
• Option to select
  • Gradle
  • Java 8
  • Dependencies
    • Lombok
    • Spring Web / REST Repositories
• Download the generated project
• Open with IntelliJ IDEA

Create REST endpoint

• Create a java class
• Annotation with @RESTController, @GetMapping etc

package com.razer.starter.api.controller;

import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

@RestController
@Slf4j
public class HomeController {

    @GetMapping("/home1")
    public String Home(){

        // log instaciate from  @Slf4j annotation
        log.info("home...");
        return "Welcome Home";
    }
}

• Run the project

./gradlew bootRun

• Browse localhost to reach the endpoint

home...

Create IntelliJ Debug Configuration

• Run > Edit Configuration...
• Add bootRun Task. Click OK
• Now Run... or Debug... accordingly
• Alternatively, goto main and right click on side bar to run / debug

public class StarterApplication {
	private static final Logger log = LoggerFactory.getLogger(StarterApplication.class);

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

Build Application Guide

Run Application

• From CLI

// spring.profiles.active to load .properties file according to profile setting
// below load [resources/application-prod.properties]
$ java -Dspring.profiles.active=prod -jar app.jar

• dd