Fix: add --network-alias to docker run in deploy workflow

Containers restarted via docker run lose their docker-compose service name
aliases. Added --network-alias frontend/cp so nginx can resolve them by
service name. Also reload nginx after each deploy.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -34,6 +34,7 @@ jobs:
           docker run -d \
             --name hotelsync-frontend \
             --network hotelsync_hotelsync-net \
+            --network-alias frontend \
             --restart unless-stopped \
             hotelsync-frontend:latest
           echo "✅ Frontend started"
@@ -45,10 +46,14 @@ jobs:
           docker run -d \
             --name hotelsync-cp \
             --network hotelsync_hotelsync-net \
+            --network-alias cp \
             --restart unless-stopped \
             hotelsync-cp:latest
           echo "✅ CP started"
 
+      - name: Reload nginx
+        run: docker exec hotelsync-nginx nginx -s reload
+
       - name: Health check
         run: |
           sleep 3