Automated Deployment Workflow: Publishing presentations to GitHub Pages on git push.

Every presentation scaffolded with sunstone new includes .github/workflows/deploy.yml:

name: Deploy Presentation to GitHub Pages

on:
  push:
    branches: [ main ]
  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: "pages"
  cancel-in-progress: false

jobs:
  deploy:
    environment:
      name: github-pages
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Presentation Source
        uses: actions/checkout@v4

      - name: Install Crystal
        uses: crystal-lang/install-crystal@v1
        with:
          crystal: latest

      - name: Install Sunstone CLI
        run: |
          git clone https://github.com/sol-vin/sunstone.git /tmp/sunstone
          cd /tmp/sunstone && shards install && crystal build src/sunstone.cr -o /usr/local/bin/sunstone --release

      - name: Build Presentation
        run: |
          sunstone build --out dist

      - name: Upload Pages Artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: 'dist'

      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4