Bootiful Development with Spring Boot and React - Belfast JUG 2018

Blog post: https://developer.okta.com/blog/2017/12/06/bootiful-development-with-spring-boot-and-react
GitHub repo: https://github.com/oktadeveloper/spring-boot-react-example

To simplify development and deployment, you want everything in the same artifact, so you put your React app “inside” your Spring Boot app, right?

But what if you could create your React app as a standalone app and make cross-origin requests to your API? A client app that can point to any server makes it easy to test your current client code against other servers (e.g. test, staging, production).

This session shows how to develop with Java 8, Spring Boot, React, and TypeScript. You’ll learn how to create REST endpoints with Spring MVC, configure Spring Boot to allow CORS, and create a React app to display its data.

Transcript

1. Matt Raible | @mraible Bootiful Development with Spring Boot and React September 11, 2018 https://www.flickr.com/photos/spatial_pan/4296204146
2. Blogger on raibledesigns.com Web Developer and Java Champion Father, Skier, Mountain Biker, Whitewater Rafter Open Source Connoisseur Who is Matt Raible? Bus Lover Okta Developer Advocate
6. developer.okta.com
7. @spring_io #springio17 Authentication/Authorization Standards
8. What About You?
9. Bootiful Development http://bit.ly/boot-and-react
10. OAuth 2.0 Overview Today’s Agenda Why Spring Boot? Demo: Developing with Spring Boot Introduction to ES6 and TypeScript Why React? Demo: Developing with React Introduction to PWAs and JHipster
11. Spring Boot Automatically configures Spring whenever possible Provides production-ready features such as metrics, health checks and externalized configuration Absolutely no code generation and no requirement for XML configuration Embeds Tomcat, Jetty or Undertow directly
12. SPRING INITIALIZR @ start.spring.io
14. @SpringBootApplication public class DemoApplication { public static void main(String[] args) { SpringApplication.run(DemoApplication.class, args); } } @Entity class Blog { @Id @GeneratedValue private Long id; private String name; // getters, setters, toString(), etc } @RepositoryRestResource interface BlogRepository extends JpaRepository<Blog, Long> { }
15. @spring_io #springio17 Microservices with Spring Boot https://developer.okta.com/blog/2017/06/15/build-microservices-architecture-spring-boot
16. @spring_io #springio17 Secure Microservices with Spring Boot https://developer.okta.com/blog/2018/02/13/secure-spring-microservices-with-oauth
17. Demo: Build a Spring Boot API
18. ES6, ES7 and TypeScript ES5: es5.github.io ES6: git.io/es6features ES7: bit.ly/es7features TS: www.typescriptlang.org TS ES7 ES6 ES5
19. TypeScript $ npm install -g typescript function greeter(person: string) {
 return "Hello, " + person;
 }
 
 var user = "Jane User";
 
 document.body.innerHTML = greeter(user); $ tsc greeter.ts https://www.typescriptlang.org/docs/tutorial.html
20. @spring_io #springio17 bus.ts
21. “Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. Node.js uses an event-driven, non- blocking I/O model that makes it lightweight and efficient. Node.js' package ecosystem, npm, is the largest ecosystem of open source libraries in the world.” https://nodejs.org https://github.com/creationix/nvm
22. @spring_io #springio17 Leading JavaScript Frameworks in 2018 angular.io facebook.github.io/react vuejs.org
25. “Angular and React dominate: Nothing else even comes close.”
27. Crunch the Numbers
28. @spring_io #springio17 Hot Frameworks hotframeworks.com
29. @spring_io #springio17 Jobs on Indeed (US) September 2018 0 2,500 5,000 7,500 10,000 React Angular Vue Vanilla
30. @spring_io #springio17 Stack Overflow Tags September 2018 0 35,000 70,000 105,000 140,000 React Angular Vue
31. @spring_io #springio17 GitHub Stars September 2018 0 30,000 60,000 90,000 120,000 React Angular Vue
32. @spring_io #springio17 GitHub Star Growth http://www.timqian.com/star-history
33. Hello World with React http://codepen.io/gaearon/pen/ZpvBNJ?editors=0100 <div id="root"></div> <script> ReactDOM.render( <h1>Hello, world!</h1>, document.getElementById('root') ); </script>
34. Imperative Code if (count > 99) { if (!hasFire()) { addFire(); } } else { if (hasFire()) { removeFire(); } } if (count === 0) { if (hasBadge()) { removeBadge(); } return; } if (!hasBadge()) { addBadge(); } var countText = count > 99 ? "99+" : count.toString(); getBadge().setText(countText);
35. Declarative Code if (count === 0) { return <div className="bell"/>; } else if (count <= 99) { return ( <div className="bell"> <span className="badge">{count}</span> </div> ); } else { return ( <div className="bell onFire"> <span className="badge">99+</span> </div> ); }
38. Create React App
39. Create React App
40. Ships with documentation!
41. Learning React https://vimeo.com/213710634
42. @spring_io #springio17 React Courses on egghead.io https://blog.kentcdodds.com/learn-react-fundamentals-and-advanced-patterns-eac90341c9db
43. @spring_io #springio17 Progressive Web Apps
44. “We’ve failed on mobile” — Alex Russell https://youtu.be/K1SFnrf4jZo
45. Mobile Hates You! How to fight back: Implement PRPL Get a ~$150-200 unlocked Android (e.g. Moto G4) Use chrome://inspect && chrome://inspect?tracing Lighthouse DevTools Network & CPU Throttling
46. The PRPL Pattern Push critical resources for the initial URL route Render initial route Pre-cache remaining routes Lazy-load and create remaining routes on demand
47. Learn More about PWAs https://developer.okta.com/blog/2017/07/20/the-ultimate-guide-to-progressive-web-applications
48. Demo: Build a React Client class BeerList extends React.Component<{}, any> { constructor(props: any) { super(props); this.state = { beers: [], isLoading: false }; } componentDidMount() { this.setState({isLoading: true}); fetch('http://localhost:8080/good-beers') .then(response => response.json()) .then(data => this.setState({beers: data, isLoading: false})); } render() { const {beers, isLoading} = this.state; … } }
49. More Authentication with React
50. @spring_io #springio17 JHipster jhipster.tech JHipster is a development platform to generate, develop and deploy Spring Boot + Angular/React Web applications and Spring microservices.
52. The JHipster Mini-Book 4.5 Release on April 6, 2018 jhipster-book.com 21-points.com @jhipster_book Write your own InfoQ mini-book! github.com/mraible/infoq-mini-book
53. Action! Try Spring Boot Try React Try Okta Explore PWAs Enjoy the bootiful experience!
54. it down with Okta! https://developer.okta.com/blog/2017/09/19/build-a-secure-notes-application-with-kotlin-typescript-and-okta
55. @SpringBootApplication class NotesApplication fun main(args: Array<String>) { SpringApplication.run(NotesApplication::class.java, *args) } @Entity data class Note(@Id @GeneratedValue var id: Long? = null, var text: String? = null, @JsonIgnore var user: String? = null) @RepositoryRestResource interface NotesRepository : JpaRepository<Note, Long>
56. DIY: Bootiful Development http://bit.ly/boot-and-react
57. CRUD with React and Spring Boot http://bit.ly/react-boot-crud
58. developer.okta.com/blog @oktadev
59. Questions? Keep in touch! raibledesigns.com @mraible Presentations speakerdeck.com/mraible Code github.com/oktadeveloper