Update deployment to rsync-based NAS deployment

- Replace Docker Hub CI/CD with direct NAS deployment
- Use rsync for reliable file synchronization
- Add SSH-based remote docker-compose execution
- Configure for Synology NAS volume path structure

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.github/workflows/deploy.yml

@@ -1,44 +1,31 @@
-name: Deploy Nginx
+name: Deploy to NAS (rsync)
 
 on:
   push:
-    branches: [ main ]
-  workflow_dispatch:
+    branches:
+      - main
 
 jobs:
   deploy:
     runs-on: ubuntu-latest
 
     steps:
-    - name: Checkout code
-      uses: actions/checkout@v4
+      - name: Checkout repository
+        uses: actions/checkout@v4
 
-    - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v3
+      - name: Setup SSH key
+        uses: webfactory/ssh-agent@v0.9.0
+        with:
+          ssh-private-key: ${{ secrets.NAS_SSH_KEY_ADMIN }}
 
-    - name: Login to Docker Hub
-      uses: docker/login-action@v3
-      with:
-        username: ${{ secrets.DOCKER_USERNAME }}
-        password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Rsync to NAS
+        run: |
+          rsync -avz -e "ssh -o StrictHostKeyChecking=no -p ${{ secrets.NAS_PORT }}" ./ \
+            ${{ secrets.NAS_USER }}@${{ secrets.NAS_HOST }}:/volume1/homes/admin/nginx-infra/
 
-    - name: Build and push Nginx
-      uses: docker/build-push-action@v5
-      with:
-        context: ./nginx
-        push: true
-        tags: |
-          ${{ secrets.DOCKER_USERNAME }}/robeing-nginx:latest
-          ${{ secrets.DOCKER_USERNAME }}/robeing-nginx:${{ github.sha }}
-        
-    - name: Update docker-compose.yml
-      run: |
-        sed -i "s|image: .*/robeing-nginx:.*|image: ${{ secrets.DOCKER_USERNAME }}/robeing-nginx:${{ github.sha }}|g" docker-compose.yml
-        
-    - name: Commit and push changes
-      run: |
-        git config --local user.email "action@github.com"
-        git config --local user.name "GitHub Action"
-        git add docker-compose.yml
-        git commit -m "Update nginx image to ${{ github.sha }}" || exit 0
-        git push
+      - name: Remote docker-compose up
+        run: |
+          ssh -o StrictHostKeyChecking=no -p ${{ secrets.NAS_PORT }} ${{ secrets.NAS_USER }}@${{ secrets.NAS_HOST }} << 'EOF'
+            cd /volume1/homes/admin/nginx-infra
+            docker-compose up -d --build
+          EOF