Modern Java App Development in the Cloud

GeeCon Krakow 2023

Transcript

1. GeeCon Krakow 2023
   Modern Java App Development
   in the Cloud
   Rustam Mehmandarov
   @RMehmandarov
   Mads Opheim
   @MadsOpheim
   

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2. The main story:
   From code --->
   to production
   

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3. 3
   Questions?
   Url: sli.do
   Code: #geecon
   Room 1
   (we have hoodies and stickers!)
   

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4. Our application
   We want an application that gives us two random words
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5. Screenshot e.l.
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6. Screenshot e.l.
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7. Step 1:
   The logic
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9. Step 2:
   Running code
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10. Screenshot e.l.
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11. Jakarta EE +
    MicroProfile
    to the rescue!
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12. Wait!
    What is this
    MicroProfile
    thing?
    

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13. Jakarta EE for
    microservices
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14. Authentication 3.0
    Concurrency 3.0
    CDI 4.0
    Persistence 3.1
    Faces 4.0
    Security 3.0
    Servlet 6.0
    Standard Tag Libraries 3.0
    Server Pages 3.1
    WebSocket 2.1
    Bean Validation 3.0
    Debugging Support 2.0
    Enterprise Beans Lite 4.0
    Managed Beans 2.0
    Transactions 2.0
    Jakarta EE 10 Platform
    Jakarta EE 10 Web Profile
    Jakarta EE 10 Platform
    Interceptors 2.1
    Dependency Injection 2.0
    Authorization 2.1
    Activation 2.1
    Batch 2.1
    Connectors 2.1
    Messaging 3.1
    Enterprise Beans 4.0
    Mail 2.1
    JSON Binding 3.0
    Annotations 2.1
    Updated Not Updated New
    Jakarta EE 10 Core Profile
    Expression Language 5.0
    Restful Web Services 3.1
    Json Processing 2.1
    Dependency Injection 2.0
    CDI Lite 4
    

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15. 15
    MicroProfile 6.0
    Jakarta EE 10
    Core Profile
    Config 3.0
    Fault
    Tolerance 4.0
    JWT
    Authentication
    2.1
    Health 4.0
    Metrics 5.0
    Open
    Tracing 3.0
    Open API 3.1
    = Updated = No change from last release
    = New
    Rest Client
    3.0
    Standalone
    Context
    Propagation
    1.3
    Reactive
    Streams
    Operators 3.0
    Outside umbrella
    Reactive
    Messaging
    3.0
    GraphQL 2.0
    LRA 2.0
    MicroProfile Releases in 2022
    Telemetry 1.0
    

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16. ● MicroProfile is an open-source community specification
    for Enterprise Java microservices
    ● A community of individuals, organizations, and vendors
    collaborating within an open source Eclipse Foundation
    Working Group to bring microservices to
    the Enterprise Java community
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    What is MicroProfile?
    

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17. 17
    Working Group Corporate Members
    

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18. Why
    MicroProfile?
    

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19. Write your logic,
    not boilerplate code
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20. Lightweight
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21. Interchangeable
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22. 22
    Current MicroProfile Implementations
    

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23. Where do I
    start?
    

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24. 24
    https://start.microprofile.io/
    

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26. It works on my machine!
    Now what?
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27. Step 3:
    Containerize it!
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28. Your Dockerfile
    Things to consider:
    - Multistage builds
    - Slim base images
    - Layers
    - etc.
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29. Step 4:
    To the Cloud!
    ...and beyond?
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30. Automate
    your builds!
    ...and
    everything
    else!
    

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31. 31
    Cloud Build
    

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32. Dockerfile
    - or -
    cloudbuild.yaml
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33. So now we have built a
    container image in the Cloud.
    Now what?
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34. Serverless,
    of course!
    

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37. When not to go
    serverless?
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38. Step 5:
    Make it fast! 🏎
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39. Runtimes differ...
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41. HowTo: Migrating to Quarkus
    1. Download the Quarkus starter, copy the
    Dockerfiles and pom files into your project
    2. Adapt the pom file to your project
    3. Move config to application.properties
    4. Update your cloudbuild.yaml
    5. Run
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43. Step 6:
    And even faster!
    🏎🏎
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44. +
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45. Voila! 🎉
    

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46. 46
    Question time!
    url: sli.do
    code: #geecon
    

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47. Everything’s on GitHub!
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    https://github.com/mehmandarov/microprofile-randomstrings
    https://github.com/madsop/quarkus-multistage
    https://microprofile.io
    https://quarkus.io
    https://cloud.google.com
    

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48. Thank you!
    Rustam Mehmandarov
    @RMehmandarov
    Mads Opheim
    @MadsOpheim
    

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