deploy.yml

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

name: Deploy demo to GitHub Pages

# Controls when the workflow will run
on:
  # Triggers the workflow on push or pull request events but only for the "main" branch
  push:
    branches: [main]
    paths:
      - 'src/**'
      - 'public/**'
      - 'package.json'
      - 'yarn.lock'
  # pull_request:
  #   branches: [main]

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

# 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 "build"
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: 14

      - name: Install dependencies and Build demo
        run: |
          yarn install --frozen-lockfile
          yarn build:demo
          touch demo/.nojekyll

      - name: Deploy to GitHub Pages
        uses: JamesIves/github-pages-deploy-action@v4
        with:
          # See https://github.com/JamesIves/github-pages-deploy-action#configuration-
          branch: gh-pages
          folder: demo
          clean: true
          single-commit: true