[CI] Deploy Preview for Pull Requests

.github/workflows/deploy-preview.yml

@@ -0,0 +1,93 @@
+# Workflow for building and deploying Hugo PR previews to GitHub Pages
+name: preview-deploy
+
+on:
+  pull_request_target:
+    branches: [ "master" ]
+    types: [opened, synchronize, reopened]
+
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages and comments
+permissions:
+  contents: write
+  pages: write
+  pull-requests: write
+
+concurrency:
+  group: "pages-${{ github.event.pull_request.number || github.run_id }}"
+  cancel-in-progress: true
+
+# Default to bash
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  # Build and Deploy job
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    env:
+      HUGO_VERSION: 0.147.9
+    steps:
+      - name: Install Hugo CLI
+        run: |
+          wget -O ${{ runner.temp }}/hugo.deb https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/hugo_extended_${HUGO_VERSION}_linux-amd64.deb \
+          && sudo dpkg -i ${{ runner.temp }}/hugo.deb          
+      - name: Install Dart Sass
+        run: sudo snap install dart-sass
+
+      - name: Checkout
+        uses: actions/checkout@v6
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+          submodules: recursive
+          fetch-depth: 0
+
+      - name: Install Node.js dependencies
+        run: "[[ -f package-lock.json || -f npm-shrinkwrap.json ]] && npm ci || true"
+
+      - name: Build with Hugo
+        env:
+          # For maximum backward compatibility with Hugo modules
+          HUGO_ENVIRONMENT: production
+          HUGO_ENV: production
+        run: |
+          # Dynamically set BaseURL for PR preview
+          # Format: https://<ORG>.github.io/<REPO>/pr-preview/pr-<NUMBER>/
+          # We use github context to make it generic
+          REPO_NAME=$(echo "${{ github.repository }}" | cut -d'/' -f2)
+          ORG_NAME=$(echo "${{ github.repository }}" | cut -d'/' -f1)
+
+          PR_BASE_URL="https://${ORG_NAME}.github.io/${REPO_NAME}/pr-preview/pr-${{ github.event.pull_request.number }}/"
+
+          echo "Building for BaseURL: ${PR_BASE_URL}"
+
+          hugo \
+            --gc \
+            --minify \
+            --buildDrafts \
+            --buildFuture \
+            --baseURL "${PR_BASE_URL}"          
+
+      - name: Deploy PR Preview
+        id: deploy-preview
+        uses: rossjrw/pr-preview-action@v1.6.3
+        with:
+          source-dir: ./public
+          preview-branch: gh-pages
+          umbrella-dir: pr-preview
+          action: auto
+          comment: false
+
+      - name: Comment PR with Preview URL
+        uses: marocchino/sticky-pull-request-comment@v2
+        if: github.event_name == 'pull_request_target'
+        with:
+          header: pr-preview
+          message: |
+            🚀 **Preview deployment for PR #${{ github.event.pull_request.number }}**
+
+            🌐 **Preview URL**: ${{ steps.deploy-preview.outputs.preview-url }}
+
+            _This preview will be updated automatically when you push new commits to this PR._