DemoApplication.java

package com.example;

import com.example.model.ToDo;
import com.example.repository.ToDoRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;

@SpringBootApplication
public class DemoApplication {

    private static final Logger logger = LoggerFactory.getLogger(DemoApplication.class);

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

    @Bean
    public CommandLineRunner setup(ToDoRepository toDoRepository) {
        return (args) -> {
            toDoRepository.save(new ToDo("Remove unused imports", true));
            toDoRepository.save(new ToDo("Clean the code", true));
            toDoRepository.save(new ToDo("Build the artifacts", false));
            toDoRepository.save(new ToDo("Deploy the jar file", true));
            logger.info("The sample data has been generated");
        };
    }
}