Github action used on Scottyab.com to Build Jekyll and Deploy to Firebase Hosting when commits pushed to main. `GITHUB_TOKEN`, `FIREBASE_PROJECT_ID`, `FIREBASE_SERVICE_ACCOUNT` will vary for your setup and need to be configured via Githuib repo settings..

firebase-hosting-deploy.yml

name: Build and Deploy to Firebase
'on':
  push:
    branches:
      - main
jobs:
  build_and_deploy:
    name: Build and deploy Jekyll site
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      
      - name: Build Jekyll
        uses: jerryjvl/jekyll-build-action@v1

      - name: Deploy to Firebase
        uses: FirebaseExtended/action-hosting-deploy@v0
        with:
          repoToken: '${{ secrets.GITHUB_TOKEN }}'
          firebaseServiceAccount: '${{ secrets.FIREBASE_SERVICE_ACCOUNT }}'
          channelId: live
          projectId: '${{ secrets.FIREBASE_PROJECT_ID }}'