Basic Jekyll Deploy Action

deploy.sh

#!/bin/bash

set -e

DEST="${JEKYLL_DESTINATION:-_site}"
REPO="https://x-access-token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git"
BRANCH="gh-pages"
BUNDLE_BUILD__SASSC=--disable-march-tune-native

echo "Installing gems..."

bundle config path vendor/bundle
bundle install --jobs 4 --retry 3

echo "Building Jekyll site..."

JEKYLL_ENV=production NODE_ENV=production bundle exec jekyll build

echo "Publishing..."

cd ${DEST}

git init
git config user.name "${GITHUB_ACTOR}"
git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
git add .
git commit -m "published by GitHub Actions"
git push --force ${REPO} master:${BRANCH}

deploy.yml

name: Jekyll Deploy

on:
  push:
    branches:
      - main

jobs:
  build_and_deploy:
    runs-on: ubuntu-20.04
    steps:
      - name: GitHub Checkout
        uses: actions/checkout@v2
      - name: Install JavaScript Packages
        run: yarn
      - name: Setup Ruby
        uses: ruby/setup-ruby@v1
        with:
          bundler-cache: true
      - name: Build & Deploy to GitHub Pages
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: deploy.sh