Reactive Microservices with Spring Boot and JHipster - Richmond JUG 2021
Microservice architectures are all the rage in JavaLand. They allow teams to develop services independently and deploy autonomously. Why microservices? IF you are developing a large/complex application AND you need to deliver it rapidly, frequently, and reliably over a long period of time THEN the Microservice Architecture is often a good choice Reactive architectures are becoming increasingly popular for organizations that need to do more, with less hardware. Reactive programming allows you to build systems that are resilient to high load. In this session, I'll show you how to use JHipster to create a reactive microservices architecture with Spring Boot, Spring Cloud, Keycloak, and run it all in Docker. You will leave with the know-how to create your own resilient apps! Related blog post: https://developer.okta.com/blog/2021/01/20/reactive-java-microservices GitHub repo: https://github.com/oktadeveloper/java-microservices-examples/tree/main/reactive-jhipster
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Reactive Microservices with Spring Boot and JHipster - Richmond JUG 2021
- 1. Reactive Java Microservices with Spring Boot, JHipster, and OAuth Jan 21, 2020 Matt Raible | @mraible Photo by Taber Andrew Bain https://www.flickr.com/photos/andrewbain/2700290996
- 4. How to Use JHipster Install JHipster and Yeoman, using npm: npm install -g generator-jhipster Create a directory and cd into it: take app Run it! jhipster
- 5. * PLEASE run JHipster in an brand new, empty directory; else 😕 Monolith, Gateway, or Microservices? Spring MVC or Spring WebFlux? Authentication Type? Database Type? Build Tool? Web Framework? JHipster Options
- 6. Does JHipster Provide the Paradox of Choice?
- 9. Thriving OSS Project Started by Julien Dubois on October 21, 2013 App Generator, Platform, Learning Tool …
- 10. @mraible Hi, I’m Matt Raible Father, Husband, Skier, Mountain Biker, Whitewater Rafter Bus Lover Web Developer and Java Champion Okta Developer Advocate Blogger on raibledesigns.com and developer.okta.com/blog @mraible
- 15. Spring History of Spring October 2002 - Rod Johnson writes J2EE Design & Development 2004 - Spring 1.0 2006 - Spring 2.0 with better XML 2009 - JavaConfig 2014 - Spring Boot 1.0 2015 - Spring Cloud 1.0 🍃
- 17. “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
- 19. “Do one thing and do it well.”
- 22. Spring WebFlux!
- 24. yelp.com/callback Back to redirect URI with authorization code Exchange code for access token and ID token accounts.google.com Email ********** Go to authorization server Redirect URI: yelp.com/cb Scope: openid profile Authorization Server yelp.com Connect with Google Resource owner Client accounts.google.com Allow Yelp to access your public profile and contacts? No Yes Request consent from resource owner Hello Matt! accounts.google Get user info with access token /userinfo OAuth 2.0 and OIDC
- 26. Demo Create microservices with JDL Run apps and e2e tests Switch identity providers Run everything with Docker https://github.com/oktadeveloper/ java-microservices-examples 🤓
- 27. What You Learned
- 29. What’s Next for JHipster? Micro Frontends Spring Boot 2.4 GraphQL
- 30. Reactive Microservices with Spring Cloud Gateway https://developer.okta.com/blog/2019/08/28/reactive-microservices-spring-cloud-gateway
- 31. The JHipster Mini-Book Written with Asciidoctor Free download from InfoQ: infoq.com/minibooks/jhipster-mini-book Quick and to the point, 164 pages Developed a real world app: www.21-points.com Buy for $20 or download for FREE
- 32. Learn More stackoverflow.com Spring Boot spring.io/guides JHipster www.jhipster.tech Okta APIs developer.okta.com
- 34. Action: Try JHipster 7! 🚀 npm i -g generator-jhipster@beta