Cloud Native Apps with Spring Cloud

Intro to Spring Cloud. Check the sample project used during the session:

https://github.com/snicoll-demos/spring-cloud-intro-conference

Transcript

1. Unless otherwise indicated, these slides are © 2013-2015 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Cloud Native Apps with
 Spring Cloud Stéphane Nicoll, Spring Boot committer, Pivotal Software inc. @snicoll
2. https://github.com/snicoll @snicoll Stéphane Nicoll snicoll@pivotal.io
7. “Innovate and deliver faster
 than your competition
8. Microservices?
10. ! Distributed systems? ! Microservices? ! Cloud Native Apps?
11. Monolith?
12. “A global entity that handles state/ failure scenarios “A smart application server, everything included “Easy to turn into a mess…
13. ! Complex system ! Easy to work with ! Modularity comes from language / framework ! Inefficient scaling
14. ! Long term commitment to technology ! intimidating to new developers ! obstacles to frequent releases
15. Cloud native apps?
16. “Smart agents that should know how to handle failures “Smart services, dumb pipes “Harder to do right…
17. ! Simple system ! Harder to work with ! Modularity based on component services ! Scaling efficiently
18. ! Easy to try new things ! Less intimidating ! Frequent deploys
19. Spring Cloud
21. SPRING CLOUD
22. Example/Demo:
 Coffee app.
23. Breaking
 the
 Monolith Store Customer Profile
24. Customer
 name and
 location Customer
25. List of stores
 with
 geo search Store
26. Customer
 info and
 nearest stores Profile
27. Now Separate apps Customer Profile Store
28. Configuration
 management
29. Config
 Server Config Server Git repository
30. Finding Services ? ?
31. Profile Eureka Customer Store Service Discovery
 Eureka
32. Profile Customer #3 Tied to
 single
 instance? Customer #2 Customer #1
33. Profile Eureka customer ? customer:
 - instance #1 - instance #2 - …
34. Instance #3 Client load balancing
 Ribbon Instance #2 Instance #1 Round robin, AWS zone affinity Ribbon
35. service B Cascading Faults service A
36. service B service A Circuit breaker
 Hystrix Fallback
37. To the 
 cloud!
38. ! Spring Cloud Bus w/ Config Server: push configuration changes automatically ! Turbine: gathers all relevant hystrix.stream in a unified turbine.stream ! Feign: declarative REST client ! Zuul: routing and filtering (e.g. for UI applications that want to proxy calls to one or more back end services) ! … If we had more time…
39. ! Spring Cloud Sleuth: distributed tracing (HTrace, Zipkin) ! Spring Cloud Consul: Service discovery and configuration management using Hashicorp’s Consul ! Spring Cloud Zookeeper: Ditto using Apache Zookeeper If we had more time… (cont’d)
40. Links ! https://cloud.spring.io ! https://start.spring.io ! https://spring.io/guides ! http://stackoverflow.com/tags/spring-cloud ! https://run.pivotal.io/ ! https://pivotal.lanyrd.com/