Microservices for the Masses with Spring Boot, JHipster, and OAuth - Utah JUG 2018
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Microservices are all the rage and being deployed by many Java Hipsters. If you’re working with a large team that needs different release cycles for product components, microservices can be a blessing. If you’re working at your VW Restoration Shop and running its online store with your own software, having five services to manage and deploy can be a real pain. Share your knowledge and experience about microservices in this informative and code-heavy talk. We’ll use JHipster (a Yeoman generator) to create Angular + Spring Boot apps on separate instances with a unified front-end. I’ll also show you options for securing your API gateway and individual applications using JWT. Heroku, Kubernetes, Docker, ELK, Spring Cloud, Okta; there will be plenty of interesting demos to see!
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Microservices for the Masses with Spring Boot, JHipster, and OAuth - Utah JUG 2018
- 1. Matt Raible | @mraible Microservices for the Masses with Spring Boot, JHipster, and OAuth February 15, 2018
- 2. Agenda 1. Introduction to Microservices 2. Microservices with JHipster 3. Deploy to the Cloud 4. Developing Mobile Apps with JHipster 5. JHipster Roadmap
- 3. Part 1 Introduction to Microservices History of Microservices Microservices Architecture Philosophy Why Microservices? Demo: A Microservices Architecture with Spring Boot and Spring Cloud
- 7. “Any organization that designs a system (defined broadly) will produce a design whose structure is a copy of the organization's communication structure.” Conway’s Law Melvin Conway 1967
- 8. “Do one thing and do it well.”
- 9. The Future?
- 10. “You shouldn't start with a microservices architecture. Instead begin with a monolith, keep it modular, and split it into microservices once the monolith becomes a problem.” Martin Fowler March 2014
- 14. start.spring.io
- 16. Microservices with Spring Boot https://developer.okta.com/blog/2017/06/15/build-microservices-architecture-spring-boot
- 17. Demo Using start.spring.io, create: A service registry A gateway A catalog service Create an endpoint in the catalog service Create a filtered endpoint in the gateway Show failover capabilities Show Spring Security OAuth https://github.com/oktadeveloper/spring- boot-microservices-example
- 18. Microservices with JHipster What is JHipster? Installing and Using JHipster JHipster’s Microservice Features Progressive Web Applications Overview Part 2
- 19. What is JHipster? + =
- 20. A powerful workflow to build your application with Yeoman, Webpack/ Gulp and Maven/Gradle JHipster Goals A sleek, modern, mobile-first front- end with Angular and Bootstrap A high-performance and robust Java stack on the server side with Spring Boot A robust microservice architecture with JHipster Registry, Netflix OSS, Elastic Stack, and Docker
- 21. How to Use JHipster Install JHipster and Yeoman, using npm: npm install -g yo generator-jhipster Create a directory and cd into it: mkdir newapp && cd newapp Run it! yo jhipster
- 23. Validate ID Token Token Endpoint Authorization Endpoint /.well-known/ openid-configuration JWKS Endpoint UserInfo Endpoint OAuth 2.0 Authorization Server & OpenID Connect Provider (OP) OAuth 2.0 Resource Server Client (Relying Party) 1 3 2 54 1 Discover OpenID Provider Metadata 2 Perform OAuth flow to obtain a ID token and/or access token 3 Get JSON Web Key Set (JWKS) for signature keys 4 Validate ID token (JSON Web Token) 5 Get additional user attributes with access token from UserInfo endpoint OAuth 2.0 and OIDC
- 24. Monolith Examples JHipster 4 Demo https://github.com/mraible/jhipster4-demo https://www.youtube.com/watch?v=XRREt1KB4Y8 21-Points Health https://github.com/mraible/21-points https://infoq.com/minibooks/jhipster-4-mini-book
- 25. Progressive Web Apps Originate from a secure origin, load while offline, and reference a web app manifest.
- 26. Progressive Web Apps Can be installed on your mobile device, look and act like a native application, but are distributed through the web.
- 27. Progressive Web Apps Are fast!
- 28. “We’ve failed on mobile.” Alex Russell https://youtu.be/K1SFnrf4jZo
- 29. Use your browser’s network & CPU throttling Mobile Hates You! Get a ~$150-200 unlocked Android (e.g. Moto G4) Implement the PRPL pattern Test with Lighthouse
- 30. Lazy-load and create remaining routes on demand The PRPL Pattern Render initial route Push critical resources for the initial URL route Pre-cache remaining routes
- 32. Demo Download and start JHipster Registry Using JHipster, create: A gateway A store microservices app A blog microservices app Generate entities in apps and on gateway Convert gateway to be a PWA Run everything in Docker https://github.com/oktadeveloper/jhipster- microservices-example
- 33. Part 3 Deploy to the Cloud Options for Deploying JHipster Heroku Cloud Foundry AWS Google Cloud
- 34. For monoliths: yo jhipster:heroku For microservices: Deploy JHipster Registry Build and deploy microservice Build and deploy gateway http://bit.ly/heroku-jhipster-microservices
- 35. For monoliths: yo jhipster:cloudfoundry For microservices: Deploy JHipster Registry Build and deploy microservice Build and deploy gateway http://www.jhipster.tech/cloudfoundry/
- 36. yo jhipster:aws Uses Elastic Beanstalk http://www.jhipster.tech/aws/ Boxfuse http://www.jhipster.tech/boxfuse/ Future https://github.com/jhipster/generator-jhipster/ pull/7035
- 37. $ mvn package -Pprod dockerfile:build $ yo jhipster:kubernetes $ kubectl apply -f <app-name> https://developer.okta.com/blog/2017/06/20/ develop-microservices-with-jhipster
- 38. Demo Build Your JHipster App for Production Deploy with Kubernetes and Minikube Deploy to Google Cloud https://github.com/oktadeveloper/ jhipster-microservices-example
- 39. Part 4 Developing Mobile Apps with JHipster What is Ionic? Why? Ionic Module for JHipster JWT and OIDC Support Entity Generator
- 40. Ionic Ionic Framework Develop Hybrid & PWA Apps https://ionicframework.com Stencil Vanilla Web Components https://stenciljs.com PWA Toolkit Lightning fast PWAs https://github.com/ionic- team/ionic-pwa-toolkit
- 41. Why? The first version of 21-Points Health I wrote with JHipster 2.x was painful to use on a mobile device. The 4.x version is better, but still not great. I want to develop the best user experience. Native apps are painful to distribute, but work better than PWAs (on iOS).
- 42. How is a mobile app for JHipster different from its Angular UI?
- 43. Run it! yo jhipster-ionic Ionic Module for JHipster Because Ionic Apps need some JHipster 💙 too! https://github.com/oktadeveloper/ionic-jhipster-starter Install Ionic and Ionic Module, using npm: npm install -g yo generator-jhipster Profit! 🤑
- 44. Demo Create an Ionic app for JHipster Generate entities that exist on gateway Deploy to emulator Deploy to phone https://github.com/oktadeveloper/ okta-ionic-jhipster-example
- 45. Part 5 JHipster Roadmap What You Learned What’s Next for JHipster
- 46. What You Learned
- 47. What’s Next for JHipster? 💥 JHipster v5.0 Spring 2018 start.jhipster.techSpring Boot 2 Support Blueprint Support React Support
- 48. JHipster Conf JHipster Conf is the first conference on JHipster, the most widely-used Java application generator in the world. The conference will be 100% in English! https://jhipster-conf.github.io
- 49. Demo Create a React project with JHipster
- 50. The JHipster Mini-Book Written with Asciidoctor Quick and to the point, 130 pages Developed a Real World App: www.21-points.com Free Download from InfoQ: infoq.com/minibooks/jhipster-mini-book
- 51. Learn More stackoverflow.com Spring Boot spring.io/guides JHipster www.jhipster.tech Okta APIs developer.okta.com