I've seen Serverless

I've seen Serverless, and I've come back to tell you all about it.

The presentation was given at the Microservices Meetup in Dublin on 29th November 2018.

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