Every mobile dev has a release ritual. Mine took 30–40 minutes a week and didn’t help users at all.
If you ship to both stores, you know the routine. Open Play Console, create a release, upload the AAB, write notes, submit for review. Then repeat in App Store Connect—now add Xcode archives, signing certificates, and a quiet hope nothing breaks.
I stopped doing it by hand and automated the whole thing with Fastlane. Now my release runs with one command:
fastlane internal
What the full guide covers
- Android Fastfile from scratch: service account, lanes, and promoting without a rebuild
- iOS Fastfile using a .p8 API key with lanes for TestFlight and the App Store
- The promote lane: ship the exact tested binary to production—no rebuild needed
- How this setup scales to a white‑label app with multiple client variants
Want the full walkthrough with complete Fastfiles? Read it on Medium.
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