deploy.yml

name: Deploy
on:
  push:
    branches:
      master

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
        with:
          persist-credentials: false

      # https://github.com/actions/cache/blob/master/examples.md#ruby---bundler
      - name: "Cache: Set up bundler cache"
        uses: actions/cache@v2
        with:
          path: vendor/bundle
          key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}
          restore-keys: |
            ${{ runner.os }}-gems-
      - name: Use Node.js
        uses: actions/setup-node@v1
        with: { node-version: '12.x' }

      - name: Use Ruby
        uses: ruby/setup-ruby@v1
        with: { ruby-version: '2.7' }

      - name: Setup dependencies
        run: |
          npm i
          bundle config path vendor/bundle
          bundle install --jobs 4 --retry 3
      - run: npm run build && bundle exec jekyll build

      - name: 🚀 deploy
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./_site