www.netz39.de/.github/workflows/jekyll-gh-pages.yml

# Sample workflow for building and deploying a Jekyll site to GitHub Pages
name: Deploy Jekyll with GitHub Pages dependencies preinstalled

on:
  # Runs on pushes targeting the default branch
  push:
    branches: ["main"]

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

# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
permissions:
  contents: read

# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
concurrency:
  group: "pages"
  cancel-in-progress: false

jobs:
  # Build job
  build:
    name: "Build GitHub Pages Site"

    permissions:
      contents: read

    runs-on: ubuntu-latest
    steps:
      - name: Cached checkout
        uses: nschloe/action-cached-lfs-checkout@v1
        # Use these to explicitly include/exclude files:
        # with:
        #   include: "*"
        #   exclude: ""

      - name: "Setup Ruby"
        uses: ruby/setup-ruby@v1
        with:
          bundler-cache: true
          cache-version: 0 # Increment this number if you need to re-download cached gems.

      - name: "Setup Pages"
        id: pages
        uses: actions/configure-pages@v4

      - name: "Build with Jekyll"
        run: bundle exec jekyll build --trace --baseurl "${{ steps.pages.outputs.base_path }}"
        env:
          JEKYLL_ENV: production

      - name: "Upload artifact"
        uses: actions/upload-pages-artifact@v3
        with:
          path: _site/

  # Deployment job

  deploy:
    name: "Deploy GitHub Pages Site"
    if: github.event_name == 'push'
    needs:
      - build

    permissions:
      pages: write
      id-token: write

    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}

    runs-on: ubuntu-latest
    steps:
      - name: "Deploy to GitHub Pages"
        id: deployment
        uses: actions/deploy-pages@v4
        with:
          error_count: 0