app-mirror-github/.github/workflows/flutter-release.yml

# Based on https://medium.com/flutter-community/automating-publishing-your-flutter-apps-to-google-play-using-github-actions-2f67ac582032

name: Flutter release

on:  
  push:
    branches:
      - main
  release:
    types: [published]

jobs:
  release:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v1
      
      - name: Setup Java
        uses: actions/setup-java@v1
        with:
          java-version: '12.x'

      - name: Setup Flutter
        uses: subosito/flutter-action@v1
        with:
          channel: stable

      - name: Flutter version
        run: flutter --version

      - name: Cache pub dependencies
        uses: actions/cache@v2
        with:
          path: ${{ env.FLUTTER_HOME }}/.pub-cache
          key: ${{ runner.os }}-pub-${{ hashFiles('**/pubspec.lock') }}
          restore-keys: ${{ runner.os }}-pub-

      - name: Download pub dependencies
        run: flutter pub get
      
      - name: Download Android keystore
        id: android_keystore
        uses: timheuer/base64-to-file@v1.0.3
        with:
          fileName: key.jks
          encodedString: ${{ secrets.ANDROID_KEYSTORE_BASE64 }}

      - name: Create key.properties
        run: |
          echo "storeFile=${{ steps.android_keystore.outputs.filePath }}" > android/key.properties
          echo "storePassword=${{ secrets.ANDROID_KEYSTORE_PASSWORD }}" >> android/key.properties
          echo "keyPassword=${{ secrets.ANDROID_KEY_PASSWORD }}" >> android/key.properties
          echo "keyAlias=${{ secrets.ANDROID_KEY_ALIAS }}" >> android/key.properties

      - name: Build Android App Bundle
        run: flutter build appbundle --flavor core

      - name: Build Android APK
        run: flutter build apk --flavor core

      - name: Upload build artifacts
        uses: actions/upload-artifact@v2
        with:
          name: app-release-bundle
          path: |
            build/app/outputs/bundle/coreRelease/app-core-release.aab
            build/app/outputs/flutter-apk/app-core-release.apk