deploy without node

.github/workflows/publish-image.yml

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+name: publish-image
+
+on:
+  push:
+    branches: ["main"]
+  workflow_dispatch:
+  schedule:
+    # Rebuild periodically so content sources can be refreshed even without code changes.
+    - cron: "0 9 * * *"
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "24"
+          cache: "npm"
+          cache-dependency-path: site/package-lock.json
+
+      - name: Install + Fetch Content + Build Site
+        working-directory: site
+        env:
+          YOUTUBE_CHANNEL_ID: ${{ secrets.YOUTUBE_CHANNEL_ID }}
+          YOUTUBE_API_KEY: ${{ secrets.YOUTUBE_API_KEY }}
+          PODCAST_RSS_URL: ${{ secrets.PODCAST_RSS_URL }}
+          WORDPRESS_BASE_URL: ${{ secrets.WORDPRESS_BASE_URL }}
+          WORDPRESS_USERNAME: ${{ secrets.WORDPRESS_USERNAME }}
+          WORDPRESS_APP_PASSWORD: ${{ secrets.WORDPRESS_APP_PASSWORD }}
+          REDIS_URL: ${{ secrets.REDIS_URL }}
+        run: |
+          npm ci
+          npm run fetch-content
+          npm run build
+
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: docker/setup-buildx-action@v3
+
+      - uses: docker/metadata-action@v5
+        id: meta
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=raw,value=latest
+            type=sha,format=short,prefix=sha-
+
+      - uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            BUILD_SHA=${{ github.sha }}
+            BUILD_DATE=${{ github.run_started_at }}
+            BUILD_REF=${{ github.server_url }}/${{ github.repository }}