Going serverless at Comic Relief - July 2019
1 like304 views
This document summarizes Comic Relief's transition to a serverless architecture. It describes how their architecture evolved from 2016-2019 as they moved services like payments, mailers, and postcode lookup to serverless. This reduced costs from $83,908 per month in 2015 to $5,393 in 2019 while improving scalability. The document discusses challenges of unpredictability and how serverless addresses this by allowing them to scale on demand. It also covers how serverless improved their testing, monitoring, and ability to quickly rebuild everything if needed.
Going serverless at Comic Relief - July 2019
- 1. Going serverless at Comic Relief Cancer Research UK Engineering Away Day July 2019 Peter Vanhee, Head of Technology, Digital & Innovation
- 3. Weve raised over 贈 1 billion since we started out in 1985 & organise two main campaigns: Sport Relief and Red Nose Day
- 10. 2016 Drupal 7 monolith - Static content - Pay-in fundraising - Gift aid declaration - Fundraiser gallery - Contact us Giving Pages Donate
- 11. 2017 Drupal 7 monolith - Static content - Contact us Drupal 8 - Static content Pay-in fund- raising SMS Gift aid Fundraise gallery Giving Pages Donate
- 12. 2018 Drupal 8 - Static content Pay-in fund- raising SMS Gift aid Giving Pages Donate Contact us Red Nose Comp School step calc
- 13. 2018 Drupal 8 - Static content Pay-in fund- raising SMS Gift aid Contact us Giving Pages Donate Red Nose Comp School step calc Mailer Service Postcode lookup Payment Service Layer
- 14. 2019 Drupal 8 - Static content Pay-in fund- raising Contact us Payment Service layer Image uploader service Marketing preferences service Mailer Service Postcode lookup service SMS Gift Aid Donate
- 15. Serverless costs nothing if nobody is using it
- 16. DEALING WITH UNPREDICTABILITY Spikes in traffic and donations are mostly driven by broadcast moments on the BBC.
- 17. DEALING WITH UNPREDICTABILITY Traditional hosting solutions require scale for your best- case response rate.4 WEEKS
- 18. DEALING WITH UNPREDICTABILITY Best-case hosting approach leads to over scaling and a lot of waste.4 HOURS
- 19. Scale on demand and only pay for what you use. SERVERLESS COMPUTING
- 20. March 2019 cost* $5,393 March 2015 cost* $83,908 *All hosting costs are paid for through corporate partnerships. 100% of public donations go to the projects we fund. OLD VS NEW
- 21. WE COULD DO IT ALL AGAIN TOMORROW Serverless services cost $92
- 25. Understand limitations of each of your components
- 26. Building Blocks
- 30. Feature Pipelines Production pipelines Improve pace of building new features Catch errors and issues before they block your production pipeline Opportunities to review & discuss with the rest of the business Prototyping Deploy continuously to production Full blown automated testing suite
- 33. Serverless Testing Pyramid unit tests Integration tests end-to-end tests crash reporting
- 44. Alerting, when.. ≒ warnings or errors happen in production (Sentry) ≒ scheduled tests fail (Concourse) ≒ user-facing lambdas > 5 seconds (IOPipe) ≒ lambdas are being throttled (CloudWatch) ≒ application health checks fail (Wormly)
- 47. Chaos engineering deliberately practice at being wrong @russmiles
- 48. If you know your system is going to go down, youre not doing chaos engineering, youre being irresponsible @theburningmonk
- 52. Identify limiting factors
- 53. Identify limiting factors Utilise rapid reusability
- 54. Identify limiting factors Utilise rapid reusability Monitor to optimize
- 55. Identify limiting factors Utilise rapid reusability Monitor to optimize Use Serverless load testing
- 56. 2020 Contact us Payment Service layer Image uploader service Marketing preferences service Mailer Service Postcode lookup service SMS Gift Aid Donate & Pay in Content Hub cr.comData Platforms
- 57. We couldnt have done it without Inquisitive engineers Great tech partners Trust from organisation