I've seen Serverless

Transcript

1. I’VE SEEN SERVERLESS 
 AND I’VE COME BACK TO TELL

   YOU ALL ABOUT IT @MarcoTroisi Dublin Microservices Meetup

2. Marco Troisi www.marcotroisi.com

3. @MarcoTroisi I’VE SEEN SERVERLESS 
 AND I’VE COME BACK TO

   TELL YOU ALL ABOUT IT

4. @MarcoTroisi UNDERSTANDING SERVERLESS I’VE SEEN SERVERLESS

5. @MarcoTroisi HOW IT IS PRESENTED TO US I’VE SEEN SERVERLESS

6. @MarcoTroisi HOW IT IS PRESENTED TO US I’VE SEEN SERVERLESS

7. @MarcoTroisi HOW IT IS PRESENTED TO US “Run code without

   thinking about servers.” I’VE SEEN SERVERLESS

8. @MarcoTroisi HOW IT IS PRESENTED TO US “Pay only for

   the compute time you consume” I’VE SEEN SERVERLESS

9. @MarcoTroisi HOW IT IS PRESENTED TO US I’VE SEEN SERVERLESS

10. @MarcoTroisi HOW IT IS PRESENTED TO US “A serverless platform

    for building event-based microservices” I’VE SEEN SERVERLESS

11. @MarcoTroisi WHAT SERVERLESS ESSENTIALLY IS I’VE SEEN SERVERLESS

12. @MarcoTroisi I’VE SEEN SERVERLESS

13. @MarcoTroisi 1. PaaS (Platform as a Service) I’VE SEEN SERVERLESS

14. @MarcoTroisi 1. PaaS (Platform as a Service) 2. Servers that

    start in <20ms I’VE SEEN SERVERLESS

15. @MarcoTroisi SERVERLESS = Heroku on steroids I’VE SEEN SERVERLESS

16. @MarcoTroisi DO WE NEED SERVERLESS? I’VE SEEN SERVERLESS

17. @MarcoTroisi WHEN TO USE IT I’VE SEEN SERVERLESS

18. @MarcoTroisi WHEN TO USE IT 1. Microservices I’VE SEEN SERVERLESS

19. @MarcoTroisi WHEN TO USE IT 1. Microservices 2. Not always

    on I’VE SEEN SERVERLESS

20. @MarcoTroisi WHEN TO USE IT 1. Microservices 2. Not always

    on 3. Event-based I’VE SEEN SERVERLESS

21. @MarcoTroisi WHEN NOT TO USE IT I’VE SEEN SERVERLESS

22. @MarcoTroisi WHEN NOT TO USE IT 1. If not on

    the cloud I’VE SEEN SERVERLESS

23. @MarcoTroisi WHEN NOT TO USE IT 1. If not on

    the cloud 2. If you don’t want to be vendor-locked I’VE SEEN SERVERLESS

24. @MarcoTroisi OUR TRANSITION TO SERVERLESS I’VE SEEN SERVERLESS

25. @MarcoTroisi OUR TRANSITION TO SERVERLESS We identified the 
 easiest

    components 
 that we could port
 (but also, biggest “bang for the buck”) I’VE SEEN SERVERLESS

26. @MarcoTroisi OUR TRANSITION TO SERVERLESS We established a roadmap
 and

    migrated 
 everything else I’VE SEEN SERVERLESS

27. @MarcoTroisi OUR TRANSITION TO SERVERLESS We decided to use
 everything

    that
 the cloud had to offer I’VE SEEN SERVERLESS
28. None

29. @MarcoTroisi WHAT WE LEARNT I’VE SEEN SERVERLESS

30. @MarcoTroisi WHAT WE LEARNT Big cost reduction (bill was slashed

    by 90%!) I’VE SEEN SERVERLESS

31. @MarcoTroisi WHAT WE LEARNT Cold starts can be an issue

    Solutions: - CloudWatch Events - More memory I’VE SEEN SERVERLESS

32. @MarcoTroisi WHAT WE LEARNT Cold starts after deployments are even

    worse I’VE SEEN SERVERLESS

33. @MarcoTroisi WHAT WE LEARNT 12-factor application Or 7 ½-factor I’VE

    SEEN SERVERLESS

34. @MarcoTroisi WHAT WE LEARNT “All in” cloud
 is better than


    half-hearted cloud I’VE SEEN SERVERLESS

35. @MarcoTroisi WHAT WE LEARNT Infrastructure as code I’VE SEEN SERVERLESS

36. @MarcoTroisi WHAT WE LEARNT CI/CD I’VE SEEN SERVERLESS

37. @MarcoTroisi WHAT WE LEARNT CI/CD Without automation, good luck! I’VE

    SEEN SERVERLESS

38. @MarcoTroisi I’VE SEEN SERVERLESS 
 AND I’VE COME BACK TO

    TELL YOU ALL ABOUT IT
39. None

40. @MarcoTroisi THANK YOU VERY MUCH! marcotroisi.com @MarcoTroisi servisbot.com