fix: reduce gunicorn worker count to improve resource management

docker-compose.prod.yml

@@ -7,7 +7,7 @@ services:
     build:
       context: .
       dockerfile: Dockerfile.prod
-    command: gunicorn config.wsgi:application --bind 0.0.0.0:8000 --workers=32 --timeout 560
+    command: gunicorn config.wsgi:application --bind 0.0.0.0:8000 --workers=4 --timeout 560
     volumes:
       - static_volume:/usr/src/app/static
     ports: