CircleCI configuration for Flutter with flavors and schemes - Configuration to send beta and generate artifacts (prod flavor)

config.yml

version: 2.1
jobs:
  ios_distribute_beta:
    macos:
      xcode: "10.3.0"
    working_directory: ~/flutter-app
    steps:
      - add_ssh_keys:
          fingerprints:
            - "ab:ab:ab:ab:ab:ab:ab:ab:ab:ab:ab:ab:ab:ab:ab:ab"
      - checkout:
          path: ~/flutter-app
      - restore_cache:
          key: bundle-v2-{{ checksum "ios/Gemfile" }}-{{ arch }}
      - run:
          name: Setup environment variables
          command: echo 'export PATH="$PATH:`pwd`/flutter/bin"'  >> $BASH_ENV
      - run:
          name: Download flutter SDK
          command: if ! test -f "flutter_sdk.zip"; then curl -o flutter_sdk.zip https://storage.googleapis.com/flutter_infra/releases/stable/macos/flutter_macos_v1.9.1+hotfix.4-stable.zip; fi
      - run:
          name: Unzip flutter SDK
          command: unzip flutter_sdk.zip
      - run:
          name: Install Firebase CLI
          command: curl -sL firebase.tools | bash
      - run:
          name: Check Firebase
          command: firebase --version
      - run:
          name: Checking xcode version
          command: xcodebuild -version
      - run:
          name: Set xcode path
          command: sudo xcode-select -s /Applications/Xcode-10.3.app/Contents/Developer
      - run:
          name: Checking xcode path
          command: xcode-select -p
      - run: flutter upgrade
      - run:
          command: flutter pub get
      - run:
          command: bundle install
          working_directory: ios
      - run:
          name: Install CocoaPods Version
          command: sudo gem install cocoapods
      - run:
          working_directory: ios
          command: pod setup
      - run:
          name: Run pod install
          working_directory: ios
          command: pod install
      - run:
          name: Update CocoaPods
          working_directory: ios
          command: pod update
      - save_cache:
          key: bundle-v2-{{ checksum "ios/Gemfile" }}-{{ arch }}
          paths:
            - vendor/bundle
      - run:
          name: Fastlane Match (certificates and provisioning profiles)
          working_directory: ios
          command: bundle exec fastlane setup_match_beta
      - run:
          name: Flutter doctor
          command: flutter doctor
      - run:
          command: rm -rf ios/Flutter/Flutter.framework
      - run:
          command: flutter clean
      - run:
          command: flutter build ios --release --flavor beta --no-codesign --verbose
          no_output_timeout: 20m
      - run:
          name: Create archive
          working_directory: ios
          command: xcodebuild -workspace ./Runner.xcworkspace -configuration Release-beta -scheme beta -destination 'generic/platform=iOS' -archivePath build/ios/iphoneos/Runner.xcarchive archive -allowProvisioningUpdates
          no_output_timeout: 20m
      - run:
          name: Create IPA
          working_directory: ios
          command: xcodebuild -exportArchive -archivePath build/ios/iphoneos/Runner.xcarchive -exportPath build/ios/iphoneos -exportOptionsPlist exportOptions-prod.plist
          no_output_timeout: 20m
      - run:
          working_directory: ios
          command: bundle exec fastlane ios_distribute_beta
          no_output_timeout: 20m
      - store_artifacts:
          path: ios/build

  ios_distribute_prod:
    macos:
      xcode: "10.3.0"
    working_directory: ~/flutter-app
    steps:
      - add_ssh_keys:
          fingerprints:
            - "ab:ab:ab:ab:ab:ab:ab:ab:ab:ab:ab:ab:ab:ab:ab:ab"
      - checkout:
          path: ~/flutter-app
      - restore_cache:
          key: bundle-v2-{{ checksum "ios/Gemfile" }}-{{ arch }}
      - run:
          name: Setup environment variables
          command: echo 'export PATH="$PATH:`pwd`/flutter/bin"'  >> $BASH_ENV
      - run:
          name: Download flutter SDK
          command: if ! test -f "flutter_sdk.zip"; then curl -o flutter_sdk.zip https://storage.googleapis.com/flutter_infra/releases/stable/macos/flutter_macos_v1.9.1+hotfix.4-stable.zip; fi
      - run:
          name: Unzip flutter SDK
          command: unzip flutter_sdk.zip
      - run:
          name: Install Firebase CLI
          command: curl -sL firebase.tools | bash
      - run:
          name: Check Firebase
          command: firebase --version
      - run:
          name: Checking xcode version
          command: xcodebuild -version
      - run:
          name: Set xcode path
          command: sudo xcode-select -s /Applications/Xcode-10.3.app/Contents/Developer
      - run:
          name: Checking xcode path
          command: xcode-select -p
      - run: flutter upgrade
      - run:
          command: flutter pub get
      - run:
          command: bundle install
          working_directory: ios
      - run:
          name: Install CocoaPods Version
          command: sudo gem install cocoapods
      - run:
          working_directory: ios
          command: pod setup
      - run:
          name: Run pod install
          working_directory: ios
          command: pod install
      - run:
          name: Update CocoaPods
          working_directory: ios
          command: pod update
      - save_cache:
          key: bundle-v2-{{ checksum "ios/Gemfile" }}-{{ arch }}
          paths:
            - vendor/bundle
      - run:
          name: Fastlane Match (certificates and provisioning profiles)
          working_directory: ios
          command: bundle exec fastlane setup_match_prod
      - run:
          name: Flutter doctor
          command: flutter doctor
      - run:
          command: rm -rf ios/Flutter/Flutter.framework
      - run:
          command: flutter clean
      - run:
          command: flutter build ios --release --flavor production --no-codesign --verbose
          no_output_timeout: 20m
      - run:
          name: Create archive
          working_directory: ios
          command: xcodebuild -workspace ./Runner.xcworkspace -configuration Release-production -scheme production -destination 'generic/platform=iOS' -archivePath build/ios/iphoneos/Runner.xcarchive archive -allowProvisioningUpdates
          no_output_timeout: 20m
      - run:
          name: Create IPA
          working_directory: ios
          command: xcodebuild -exportArchive -archivePath build/ios/iphoneos/Runner.xcarchive -exportPath build/ios/iphoneos -exportOptionsPlist exportOptions-prod.plist
          no_output_timeout: 20m
      - store_artifacts:
          path: ios/build

  android_distribute_beta:
    docker:
      - image: cirrusci/flutter
    working_directory: ~/flutter-app
    steps:
      - checkout:
          path: ~/flutter-app
      - run: flutter pub get
      - run:
          name: Flutter doctor
          command: flutter doctor -v
      - restore_cache:
          key: bundle-v1-{{ checksum "android/Gemfile" }}-{{ arch }}
      - run:
          command: bundle install
          working_directory: android
      - save_cache:
          key: bundle-v1-{{ checksum "android/Gemfile" }}-{{ arch }}
          paths:
            - vendor/bundle
      - run:
          name: Install Firebase CLI
          command: curl -sL firebase.tools | bash
      - run:
          name: Check Firebase
          command: firebase --version
      - run:
          name: Removing .gradle dir
          command: sudo rm -rf android/.gradle
      - run:
          name: Setup Environment Variables
          working_directory: android
          command: ./ci_environment_setup.sh copyEnvVarsToGradleProperties
      - run:
          name: Build Android APK
          command: flutter build apk --flavor uat
      - run:
          name: Copy Android artifacts
          command: |
            mkdir -p build_results/android
            cp -r build/app/outputs/apk/uat/release build_results/android
      - run:
          working_directory: android
          command: bundle exec fastlane android_distribute_uat
      - store_artifacts:
          path: build_results/android
      - store_test_results:
          path: build_results/android

  android_distribute_prod:
    docker:
      - image: cirrusci/flutter
    working_directory: ~/flutter-app
    steps:
      - checkout:
          path: ~/flutter-app
      - run: flutter pub get
      - run:
          name: Flutter doctor
          command: flutter doctor -v
      - restore_cache:
          key: bundle-v1-{{ checksum "android/Gemfile" }}-{{ arch }}
      - run:
          command: bundle install
          working_directory: android
      - save_cache:
          key: bundle-v1-{{ checksum "android/Gemfile" }}-{{ arch }}
          paths:
            - vendor/bundle
      - run:
          name: Install Firebase CLI
          command: curl -sL firebase.tools | bash
      - run:
          name: Check Firebase
          command: firebase --version
      - run:
          name: Removing .gradle dir
          command: sudo rm -rf android/.gradle
      - run:
          name: Setup Environment Variables
          working_directory: android
          command: ./ci_environment_setup.sh copyEnvVarsToGradleProperties
      - run:
          name: Build Android APK
          command: flutter build apk --flavor production
      - store_artifacts:
          path: build/app/outputs/apk/production/release

  flutter_unit_tests:
    docker:
      - image: cirrusci/flutter
    steps:
      - checkout
      - run: flutter doctor
      - run: pub get
      - run: flutter test --coverage

workflows:
  version: 2
  build-test-deploy:
    jobs:
      - flutter_unit_tests
      - android_distribute_beta:
          requires:
            - flutter_unit_tests
          filters:
            branches:
              only: distribute_beta
      - ios_distribute_beta:
          requires:
            - flutter_unit_tests
          filters:
            branches:
              only: distribute_beta
      - android_distribute_prod:
          requires:
            - flutter_unit_tests
          filters:
            branches:
              only: distribute_prod
      - ios_distribute_prod:
          requires:
            - flutter_unit_tests
          filters:
            branches:
              only: distribute_prod

Thanks for sharing! 👍