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The special case of Mobile DevOps
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Pratul Kalia
August 27, 2024
Programming
2
40
The special case of Mobile DevOps
First presented at GitHub GitTogether (August 2024) in Bangalore.
Pratul Kalia
August 27, 2024
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Transcript
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
What is DevOps?
DevOps • Combine development and operational practices • Culture +
tools • Empower teams, improve e ff i ciency • Automate as much as possible
Before DevOps • Development teams wrote the code • IT
Operations deployed the code and ran the servers
Mediocre feedback loop 😑
Learn fast Implement fast
10+ Deploys Per Day: Dev and Ops Cooperation at Flickr
The DevOps movement has come a long way in 20
years
The evolution of DevOps • From managing data centers •
... to AWS and Heroku and Render • From build machines • ... to CI pipelines • Logging! Observability! • Errors! Traces! • !!!
But what about apps? 📱
Apps are great • 2008 — App Store & Play
Store • 16 years • $$$$
App stores aren’t great • The delivery model has regressed
• Clients decide when to update apps • No continuous delivery, no rollbacks • Manual review process
Learn fast Implement fast ❌
Commodity hardware Commodity software Backend services 🗄 Web frontends 👩💻
So, what were app teams forced to do?
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
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 • Use outdated techniques like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!
Studying the best app teams
The best practices • Fast and reliable CI pipelines •
... builds • ... tests • ... static analysis • ... linters
The best practices • Simple branching strategies • ... and
simple hot fi x strategies
The best practices • Automatic, compulsorily used, nightly builds
The best practices • Server Driven UI techniques
The best practices • Release process as a system
The best practices • Tracking not just errors but also
• ... build size • ... performance metrics, internal and live • ... user fl ows
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/