The special case of Mobile DevOps

First presented at GitHub GitTogether (August 2024) in Bangalore.

Transcript

1. P R AT U L K A L I A • T R A M L I N E . A P P The special case of
 Mobile DevOps
2. What is DevOps?
3. DevOps • Combine development and operational practices • Culture + tools • Empower teams, improve e ff i ciency • Automate as much as possible
4. Before DevOps • Development teams wrote the code • IT Operations deployed the code and ran the servers
5. Mediocre feedback loop 😑
6. Learn fast Implement fast
7. 10+ Deploys Per Day: Dev and Ops Cooperation at Flickr
8. The DevOps movement has come a long way in 20 years
9. The evolution of DevOps • From managing data centers • ... to AWS and Heroku and Render • From build machines • ... to CI pipelines • Logging! Observability! • Errors! Traces! • !!!
10. But what about apps? 📱
11. Apps are great • 2008 — App Store & Play Store • 16 years • $$$$
12. App stores aren’t great • The delivery model has regressed • Clients decide when to update apps • No continuous delivery, no rollbacks • Manual review process
13. Learn fast Implement fast ❌
14. Commodity hardware Commodity software Backend services 🗄 Web frontends 👩💻
15. So, what were app teams forced to do?
16. App teams were forced to... • Slow down the release process, severely • For e.g. apps: 4-5 times per month • Backends & frontends: 1000-10,000 times per month • Aggressively test the store builds before releasing
17. App teams were forced to... • Use outdated techniques like code freeze • Use systems like remote kill switches • The burden of multiple old live versions is high!
18. Studying the 
 best app teams
19. The best practices • Fast and reliable CI pipelines • ... builds • ... tests • ... static analysis • ... linters
20. The best practices • Simple branching strategies • ... and simple hot fi x strategies
21. The best practices • Automatic, compulsorily used, nightly builds
22. The best practices • Server Driven UI techniques
23. The best practices • Release process as a system
24. The best practices • Tracking not just errors but also • ... build size • ... performance metrics, internal and live • ... user fl ows
25. Open source tools 
 you can use to start Fastlane https://fastlane.tools Maestro https://maestro.mobile.dev/ Screenshotbot https://screenshotbot.io/ Measure https://www.measure.sh/ Tramline https://www.tramline.app/