gh-pages.yml

# Github Actions deploy workflow

name: Deployment
# Controls when the action will run. 
on:
  # Triggers the workflow on push or pull request events but only for the main branch
  push:
    branches: [ master ]
# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "deploy"
  deploy:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [10.x]
    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
    - uses: actions/checkout@v1
    - name: Use Node.js ${{ matrix.node-version }}
      uses: actions/setup-node@v1
      with:
        node-version: ${{ matrix.node-version }}
    - name: Install Packages
      run: npm install
    - name: Build page
      run: npm run build-gh
    - name: Deploy to gh-pages
      uses: peaceiris/actions-gh-pages@v3
      with:
        publish_dir: ./frontend/build
        github_token: ${{ secrets.GITHUB_TOKEN }}