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
   

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2. https://github.com/snicoll
   @snicoll
   Stéphane Nicoll
   snicoll@pivotal.io
   

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7. “Innovate and deliver faster

   than your competition
   

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8. Microservices?
   

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10. ! Distributed systems?
    ! Microservices?
    ! Cloud Native Apps?
    

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11. Monolith?
    

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12. “A global entity that handles state/
    failure scenarios
    “A smart application server,
    everything included
    “Easy to turn into a mess…
    

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13. ! Complex system
    ! Easy to work with
    ! Modularity comes from
    language / framework
    ! Inefficient scaling
    

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14. ! Long term commitment to
    technology
    ! intimidating to new developers
    ! obstacles to frequent releases
    

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15. Cloud native apps?
    

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16. “Smart agents that should know
    how to handle failures
    “Smart services, dumb pipes
    “Harder to do right…
    

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17. ! Simple system
    ! Harder to work with
    ! Modularity based on component
    services
    ! Scaling efficiently
    

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18. ! Easy to try new things
    ! Less intimidating
    ! Frequent deploys
    

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19. Spring Cloud
    

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21. SPRING CLOUD
    

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22. Example/Demo:

    Coffee app.
    

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23. Breaking

    the

    Monolith
    Store
    Customer
    Profile
    

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24. Customer

    name and

    location
    Customer
    

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25. List of stores

    with

    geo search
    Store
    

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26. Customer

    info and

    nearest stores
    Profile
    

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27. Now
    Separate apps
    Customer
    Profile
    Store
    

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28. Configuration

    management
    

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29. Config

    Server
    Config Server
    Git repository
    

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30. Finding
    Services
    ? ?
    

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31. Profile Eureka
    Customer Store
    Service
    Discovery

    Eureka
    

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32. Profile
    Customer
    #3
    Tied to

    single

    instance?
    Customer
    #2
    Customer
    #1
    

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33. Profile Eureka
    customer ?
    customer:

    - instance #1
    - instance #2
    - …
    

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34. Instance
    #3
    Client load
    balancing

    Ribbon
    Instance
    #2
    Instance
    #1
    Round robin,
    AWS zone affinity
    Ribbon
    

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35. service B
    Cascading
    Faults
    service A
    

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36. service B
    service A
    Circuit
    breaker

    Hystrix
    Fallback
    

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37. To the 

    cloud!
    

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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…
    

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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)
    

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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/
    

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