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Cloud Driven Development

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Avatar for Sebastian Korfmann Sebastian Korfmann
October 03, 2022
Programming
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Cloud Driven Development

Avatar for Sebastian Korfmann

Sebastian Korfmann

October 03, 2022

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Transcript

  1. Cloudgetriebene Softwareentwicklung Sebastian Korfmann Cloudgetriebene Softwareentwicklung / @skorfmann 1

  2. Sebastian Korfmann Entrepreneur, Consultant, Cloud Toolsmith AWS DevTools Hero Formerly

    HashiCorp, Creator of CDK for Terraform Cloudgetriebene Softwareentwicklung / @skorfmann 2

  3. Agenda • How we got here • Cloud Driven Development

    • Workflows & Tools Cloudgetriebene Softwareentwicklung / @skorfmann 3

  4. Fullstack Development - Local Runtime • Well understood workflows •

    Fast Feedback Loops • Test Driven • Conventions • Majestic Monolith! Cloudgetriebene Softwareentwicklung / @skorfmann 4

  5. 12 Factor Apps • declarative automation • maximum portability •

    dev / prod parity Cloudgetriebene Softwareentwicklung / @skorfmann 5

  6. Works on my machine Ship it! Cloudgetriebene Softwareentwicklung / @skorfmann

    6

  7. Turning the monolith inside-out Cloudgetriebene Softwareentwicklung / @skorfmann 7

  8. Cloudgetriebene Softwareentwicklung / @skorfmann / Image from https://www.swyx.io/self-provisioning-runtime 8

  9. What we have to gain from turning the monolith inside

    out? Cloudgetriebene Softwareentwicklung / @skorfmann 9

  10. What might we loose from turning the monolith inside out?

    Cloudgetriebene Softwareentwicklung / @skorfmann 10

  11. Ok, great - so what? Cloudgetriebene Softwareentwicklung / @skorfmann 11

  12. Embracing Cloud as Runtime Cloudgetriebene Softwareentwicklung / @skorfmann 12

  13. IaC Tools Cloudgetriebene Softwareentwicklung / @skorfmann 13

  14. Infrastructure as / is / from Code Cloudgetriebene Softwareentwicklung /

    @skorfmann 14

  15. Infrastructure as Code • Terraform • Cloudformation • Azure RM

    / Bicep Cloudgetriebene Softwareentwicklung / @skorfmann 15

  16. Infrastructure is Code • AWS CDK • CDK for Terraform

    • Pulumi Cloudgetriebene Softwareentwicklung / @skorfmann 16

  17. Infrastructure from Code • Serverless Cloud • Cloudflare (i.e. Durable

    Objects) Cloudgetriebene Softwareentwicklung / @skorfmann 17

  18. Cloud Driven Development CDK / AWS Cloudgetriebene Softwareentwicklung / @skorfmann

    18

  19. Goals • Unified Infrastructure and Application Code • Embrace Cloud

    as Runtime • Leverage existing services • Low Costs / Low Maintenance • True Dev / Prod Parity Cloudgetriebene Softwareentwicklung / @skorfmann 19

  20. Non Goals • Portability Cloudgetriebene Softwareentwicklung / @skorfmann 20

  21. Local vs Cloud • Local Stack • DDB Local •

    Lambda Local • Step Functions Local • VTL Simulator • Some S3 Compatible local service Cloudgetriebene Softwareentwicklung / @skorfmann 21

  22. Iteration Speed Cloudgetriebene Softwareentwicklung / @skorfmann 22

  23. Serverless Stack • Focused on improving AWS API Gateway /

    Lambda experience • Various runtimes (e.g. Node, Python) • Developer Console Cloudgetriebene Softwareentwicklung / @skorfmann 23

  24. Merloc • Java only (for now) Cloudgetriebene Softwareentwicklung / @skorfmann

    24

  25. Functionless • TypeScript compiler plugin • AWS CDK Construct Cloudgetriebene

    Softwareentwicklung / @skorfmann 25

  26. Cloudgetriebene Softwareentwicklung / @skorfmann 26

  27. Cloudgetriebene Softwareentwicklung / @skorfmann 27

  28. Cloudgetriebene Softwareentwicklung / @skorfmann 28

  29. Hotswap • Various AWS Services (e.g. Lambda, AppSync, Step Functions)

    • Bypassing Cloudformation • Similar speed to Terraform (tuned) Cloudgetriebene Softwareentwicklung / @skorfmann 29

  30. Watch / Parallel • Only Deploy / Hotswap changed Resources

    • Deploy in parallel where possible Cloudgetriebene Softwareentwicklung / @skorfmann 30

  31. Iteration Speed Conclusion • Serverless Stack • Merloc • Functionless

    • Watch • Hot Swap Cloudgetriebene Softwareentwicklung / @skorfmann 31

  32. Component Size Cloudgetriebene Softwareentwicklung / @skorfmann 32

  33. Default to Constructs • Dependency Injection (e.g. a Bucket) •

    Composable • Testable Cloudgetriebene Softwareentwicklung / @skorfmann 33

  34. Testing Cloudgetriebene Softwareentwicklung / @skorfmann 34

  35. Cloudgetriebene Softwareentwicklung / @skorfmann 35

  36. Dedicated Test Stacks • Totally valid to create stacks just

    for the sake of testing • Deploy Helper for Testing (e.g. event spy) Using xray • Start trace from test • Tried this, not sure if it's worth it Cloudgetriebene Softwareentwicklung / @skorfmann 36

  37. Challenges • Async Behaviour (e.g. queues, trigger, timeouts) • Step

    Function Workflows • Feedback Loops Cloudgetriebene Softwareentwicklung / @skorfmann 37

  38. Cloudgetriebene Softwareentwicklung / @skorfmann 38

  39. Cloudgetriebene Softwareentwicklung / @skorfmann 39

  40. Observability Cloudgetriebene Softwareentwicklung / @skorfmann 40

  41. • CDK Watch (beware of rate limits) • Cloudash.dev •

    Lola.dev • Cloudcanvas.xyz (closed alpha) • Dynobase.dev • SST.dev Console • Custom Plumbing Cloudgetriebene Softwareentwicklung / @skorfmann 41

  42. Cloudgetriebene Softwareentwicklung / @skorfmann 42

  43. Cloudgetriebene Softwareentwicklung / @skorfmann 43

  44. Cloudgetriebene Softwareentwicklung / @skorfmann 44

  45. Cloud Driven Development • Fast iterations • Small Components •

    Testable • Observable Cloudgetriebene Softwareentwicklung / @skorfmann 45

  46. Are we there yet? Not quite - but we're getting

    there Cloudgetriebene Softwareentwicklung / @skorfmann 46

  47. Move Development Closer to the Cloud as it becomes the

    Runtime Cloudgetriebene Softwareentwicklung / @skorfmann 47

  48. Cloudgetriebene Softwareentwicklung / @skorfmann / Image from https://www.swyx.io/self-provisioning-runtime 48

  49. Thanks! @skorfmann Cloudgetriebene Softwareentwicklung / @skorfmann 49