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• Use outdated techniques like code freeze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