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What is mobile CI/CD? — Articles

Blog post from Expo

Post Details
Company
Date Published
Author
Expo
Word Count
1,376
Company Posts That Month
43
Language
English
Hacker News Points
-
Post removed?
No
Summary

Mobile CI/CD automates code checks and the creation of signed iOS and Android builds for testing or store submission, while retaining human control over production releases and acknowledging that App Store and Google Play review processes remain external to the pipeline. Effective pipelines move identifiable builds through source checks, native compilation, app testing, distribution, approval, and production monitoring, with build IDs and commit configurations preserved so tested artifacts match released ones. Unlike web deployments, mobile releases require code-signing credentials, platform-specific build environments such as macOS and Xcode for iOS, compatibility with older app versions still installed on users’ devices, and recovery plans for problematic releases. Teams can use general-purpose services such as GitHub Actions or CircleCI, mobile-focused platforms including Bitrise and Codemagic, Apple’s Xcode Cloud, or Expo’s EAS Workflows for React Native and Expo projects, depending on their desired level of toolchain maintenance. The text emphasizes securing signing and production credentials, requiring explicit approvals for exact builds, reviewing workflow changes carefully, and measuring pipelines by actionable feedback speed and infrastructure reliability rather than simply successful runs. EAS Workflows provides hosted macOS and Linux jobs for builds, submissions, updates, and some testing, but has limitations including no matrix builds or shared workflow configurations and cannot guarantee store approval or fully validate over-the-air JavaScript updates.

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