Bootiful Development with Spring Boot and React
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SpringOne Platform 2017 Matt Raible, Okta 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 an React app to display its data. If time allows we’ll cover authentication with OpenID Connect and deployment to Cloud Foundry.
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Bootiful Development with Spring Boot and React
- 1. Bootiful Development with Spring Boot and React By Matt Raible @mraible + = 🌅
- 3. Matt Raible
- 15. @spring_io #springio17 Okta Supports Authentication Standards
- 16. What about You?
- 18. 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
- 19. 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
- 20. SPRING INITIALIZR @ start.spring.io
- 22. @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> { }
- 23. @spring_io #springio17 Microservices with Spring Boot https://developer.okta.com/blog/2017/06/15/build-microservices-architecture-spring-boot
- 24. Demo: Build a Spring Boot API
- 25. ES6, ES7 and TypeScript ES5: es5.github.io ES6: git.io/es6features ES7: bit.ly/es7features TS: www.typescriptlang.org TSES7ES6ES5
- 28. 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
- 30. TypeScript 2.3
- 31. “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
- 32. @spring_io #springio17 Leading JavaScript Frameworks in 2017 angular.io facebook.github.io/react vuejs.org
- 35. “Angular and React dominate: Nothing else even comes close.”
- 39. @spring_io #springio17 Jobs on Indeed (US) November 2017 0 2,000 4,000 6,000 8,000 React Angular Vue Polymer
- 40. @spring_io #springio17 Stack Overflow Tags November 2017 0 22,500 45,000 67,500 90,000 React Angular Vue Polymer
- 42. @spring_io #springio17 GitHub Stars November 2017 0 22,500 45,000 67,500 90,000 React Angular Vue Ember Polymer Backbone
- 44. 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>
- 45. 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);
- 46. 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> ); }
- 49. Create React App
- 50. Create React App
- 55. “We’ve failed on mobile” — Alex Russell https://youtu.be/K1SFnrf4jZo
- 56. 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
- 57. The PRPL Pattern Push Render Pre-cache Lazy-load
- 58. 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
- 59. Learn More about PWAs https://developer.okta.com/blog/2017/07/20/the-ultimate-guide-to-progressive-web-applications
- 60. 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; … } }
- 61. More Authentication with React
- 64. The JHipster Mini-Book 4.0 Release on Sep 22, 2017 jhipster-book.com 21-points.com @jhipster_book Write your own InfoQ mini-book! github.com/mraible/infoq-mini-book
- 65. Action! Try Spring Boot Try React Try Okta, I’ll buy you a 🍺! Explore PWAs Enjoy the bootiful experience!
- 66. 🔐 it down with Okta! https://developer.okta.com/blog/2017/09/19/build-a-secure-notes-application-with-kotlin-typescript-and-okta
- 67. @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>