merge_and_deploy.yml

# This is a basic workflow to help you get started with Actions

name: Deploy to web after merge

# Controls when the workflow will run
on:
  # push: # trigger at each merge to main
  pull_request:
    branches:
      - main

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  validate-and-build-apps:
    name: 'Validate and build web app'
    runs-on: self-hosted
    concurrency:
      cancel-in-progress: true
      group: ${{ github.workflow }}-${{ github.ref }}
    steps:
    - name: checkout source code
      uses: actions/checkout@v4.1.7
      with:
        ref: ${{github.event.pull_request_target.head.ref}}
        repository: ${{github.event.pull_request_target.head.repo.full_name}}
        fetch-depth: 0
    - name: setup secrets
      run: |
        echo "$FIREBASE_OPTION" > lib/firebase_options.dart
      env:
        FIREBASE_OPTION: ${{ secrets.FIREBASE_OPTIONS }}
    - name: Install Flutter
      uses: subosito/flutter-action@v2.6.2
      with:
        flutter-version: '3.22.0'
        channel: 'stable'
    # run firebase deploy --only hosting to deploy when development is done
    - name: build and deploy web app
      run: |
        echo "$FIREBASE_JSON" > firebase.json
        flutter pub get
        flutter build web
        firebase hosting:channel:deploy testing
      env:
        FIREBASE_JSON: ${{ secrets.FIREBASE_JSON }}