Mobile Release

Fastlane Setup

# fastlane/Fastfile
default_platform(:ios)

platform :ios do
  desc "Deploy to TestFlight"
  lane :beta do
    increment_build_number
    build_app(scheme: "MyApp")
    upload_to_testflight
  end

  desc "Deploy to App Store"
  lane :release do
    increment_build_number
    build_app(scheme: "MyApp")
    upload_to_app_store
  end
end

platform :android do
  desc "Deploy to Play Store Internal"
  lane :beta do
    gradle(task: "bundleRelease")
    upload_to_play_store(track: "internal")
  end

  desc "Deploy to Play Store"
  lane :release do
    gradle(task: "bundleRelease")
    upload_to_play_store
  end
end

GitHub Actions

name: Mobile Release

on:
  push:
    tags:
      - 'v*'

jobs:
  ios:
    runs-on: macos-latest
    steps:
      - uses: actions/checkout@v7
      - uses: ruby/setup-ruby@v1
        with:
          bundler-cache: true   # runs bundle install, caches gems
      - run: bundle exec fastlane ios release
        env:
          # JSON {"key_id", "issuer_id", "key"}: read as `api_key` by deliver/pilot
          # (upload_to_app_store, upload_to_testflight)
          APP_STORE_CONNECT_API_KEY: ${{ secrets.ASC_API_KEY_JSON }}

  android:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
      - uses: actions/setup-java@v6
        with:
          distribution: 'temurin'
          java-version: '17'
      - uses: ruby/setup-ruby@v1
        with:
          bundler-cache: true   # fastlane runs through Bundler: Ruby + gems first
      - run: bundle exec fastlane android release
        env:
          SUPPLY_JSON_KEY_DATA: ${{ secrets.PLAY_SERVICE_ACCOUNT_JSON }}   # read by supply

Release Checklist

iOS

• [ ] Increment version/build number
• [ ] Screenshots up to date
• [ ] App Store description
• [ ] Privacy policy URL
• [ ] TestFlight beta OK

Android

• [ ] versionCode/versionName incremented
• [ ] APK/AAB signed
• [ ] Play Store screenshots
• [ ] Description up to date
• [ ] Internal testing OK

See also

If the app ships with Expo / EAS, Expo's own eas-app-stores skill (expo/skills, MIT, pin 13ad8e05) covers eas.json, signing, versions and store submission. EAS has a free tier and paid plans; the skill states their limits. Fastlane publishes no skill: the fastlane path stays here.