build_and_deploy.yaml

name: Build & Deploy

on:
  push:
    branches: ['main']

jobs:
  build:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        node-version: ['20.3.0']

    steps:
      - uses: actions/checkout@v3

      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v3
        with:
          node-version: ${{ matrix.node-version }}
          cache: 'npm'

      - name: Install packages
        run: npm ci

      - name: Run npm build
        run: npm run build

      - name: Deploy to gh-pages
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./_site  # default: public
          keep_files: false  # replace all files