backup-archive.yml

name: Backup archive
env:
  BACKUP_BUCKET: "gs://example-prod-backups"
  FIREBASE_TOKEN: ${{ secrets.FIREBASE_TOKEN }}
on:
  schedule:
    # First of every month at some time when your app is least active
    - cron: "0 3 1 * *"

jobs:
  backup-firestore:
    runs-on: ubuntu-latest
    steps:
      - name: Setup gcloud environment
        uses: GoogleCloudPlatform/github-actions@0.1.2
        with:
          project_id: example-prod
          service_account_key: ${{ secrets.GCLOUD_AUTH_KEY_PROD }}

      - name: Select project
        run: gcloud config set project example-prod

      - name: Export Firestore
        run: gcloud firestore export ${{ env.BACKUP_BUCKET }}/firestore/$(date '+%Y-%m-%d') --async

  backup-rtdb:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - name: Setup gcloud environment
        uses: GoogleCloudPlatform/github-actions@0.1.2
        with:
          project_id: example-prod
          service_account_key: ${{ secrets.GCLOUD_AUTH_KEY_PROD }}

      - name: Select project
        run: gcloud config set project example-prod

      - name: Select Firebase project
        uses: w9jds/firebase-action@v1.3.0
        with:
          args: use production

      - name: Generate backup file name
        run: |
          echo "::set-env name=BACKUP_FILE::$(date '+%Y-%m-%d').json"

      - name: Download RTDB data
        uses: w9jds/firebase-action@v1.3.0
        with:
          args: database:get --output ${{ env.BACKUP_FILE }} /

      - name: Upload to Cloud Storage Bucket
        run: gsutil cp ${{ env.BACKUP_FILE }} ${{ env.BACKUP_BUCKET }}/rtdb