Drupal in github push main to master on Pantheon

deploy-main-to-pantheon.yml

name: Deploy Master to Pantheon
on:
  push:
    branches:
      - 'main'
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - uses: shimataro/ssh-key-action@v2
      with:
        key: ${{ secrets.PANTHEON_SSH_KEY }}
        config: ${{ secrets.SSH_CONFIG }}
        known_hosts: ${{ secrets.KNOWN_HOSTS }}

    # Install Terminus.
    - name: Install Terminus
      uses: pantheon-systems/terminus-github-actions@main
      with:
        pantheon-machine-token: ${{ secrets.PANTHEON_MACHINE_TOKEN }}    

    - name: Install Terminus Build Tools
      run: terminus self:plugin:install terminus-build-tools-plugin

    - name: Update Ignore File.
      run: terminus build:gitignore:cut

    - name: Use Node.js 15.
      uses: actions/setup-node@v3
      with:
        node-version: 15

    - name: node builder
      run: |
        cd static
        npm install
        gulp build

    - name: deployer
      env:
        pantheon_repo: '${{ secrets.PANTHEON_REPO }}'
        pantheon_site_name: '${{ secrets.PANTHEON_SITE_NAME }}'
      run: |
        echo ${{ secrets.KNOWN_HOSTS }}
        git remote add pantheon $pantheon_repo
        git config --global user.mail "bot@alphex.com"
        git config --global user.name "Alphex Bot"
        git add .
        git commit -q -m "Rebuild CSS/JS assets"        
        git push --force pantheon HEAD:master