ci.yml

name: CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:

  build:
    name: Build
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Setup node.js
        uses: actions/setup-node@v4
        with:
          node-version: "12.x"
      - name: Install dependencies
        run: yarn install --frozen-lockfile
      - name: Build
        run: yarn build
      - name: Upload build artifact
        uses: actions/upload-artifact@v3
        with:
          name: app
          path: build

  deploy:
    name: Deploy to GitHub Pages
    if: startsWith(github.ref, 'refs/heads/master')
    runs-on: ubuntu-20.04
    needs: build
    steps:
      - name: Download build artifact
        uses: actions/download-artifact@v2
        with:
          path: artifacts

      - name: Deploy
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: artifacts/app