@Bean
  CommandLineRunner runner(AuthorRepository authorRepository, PostRepository postRepository) {
    return args -> {
      Author dv = new Author("Dan", "Vega", "*****@*****.**");
      authorRepository.save(dv);

      Post post = new Post("Spring Boot Rocks!");
      post.setSlug("spring-data-rocks");
      post.setTeaser("Post Teaser");
      post.setBody("Post Body");
      post.setPostedOn(new Date());
      post.setAuthor(dv);
      postRepository.save(post);

      Post rest = new Post("REST is what all the cool kids are doing");
      rest.setSlug("rest-is-cool");
      rest.setTeaser("REST Teaser");
      rest.setBody("REST BODY");
      rest.setPostedOn(new Date());
      rest.setAuthor(dv);
      postRepository.save(rest);
    };
  }