atlasanalyticslab.github.io/.github/workflows/deploy.yml at main · AtlasAnalyticsLab/atlasanalyticslab.github.io · GitHub

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#==============================================================================
# GitHub Actions Deployment Workflow (.github/workflows/deploy.yml)
#
# Purpose:
#   Automated deployment pipeline for Jekyll site to GitHub Pages.
#   Triggers on push to main branch.
#
# Process:
#   1. Checkout repository code
#   2. Setup Ruby 3.4.7+ environment
#   3. Cache bundler dependencies
#   4. Install gems and build Jekyll site
#   5. Upload built site as artifact
#   6. Deploy to GitHub Pages
#
# Environment:
#   - Runner: ubuntu-latest
#   - Ruby: 3.4.7 (latest stable as of November 2025)
#   - Bundler: 2.7.2+ (latest stable)
#   - Jekyll: 4.4.1
#
# Deployment:
#   - Uses official GitHub Pages deployment action
#   - Requires Pages to be configured with "GitHub Actions" source
#   - Automatically handles artifact upload and deployment
#
# Setup Instructions:
#   1. Go to repository Settings → Pages
#   2. Under "Build and deployment" → Source
#   3. Select "GitHub Actions"
#==============================================================================

name: Deploy to GitHub Pages

on:
  push:
    branches:
      - main
  workflow_dispatch:  # Allow manual trigger

# Sets permissions for GitHub Pages deployment
permissions:
  contents: read
  pages: write
  id-token: write

# Allow only one concurrent deployment
concurrency:
  group: "pages"
  cancel-in-progress: false

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: '3.4.7'
          bundler-cache: true  # Automatically cache gems

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

      - name: Build with Jekyll
        run: bundle exec jekyll build --verbose
        env:
          JEKYLL_ENV: production

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3

  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4