Add an example of copying from the container

Author: tedivm

templates/quick_start.md

@@ -28,3 +28,13 @@ To include it in the dockerfile instead:
 ```dockerfile
 FROM ghcr.io/{{ organization  }}/{{ short_repository }}:py{{ python_versions|last }}-slim-LATEST
 ```
+
+### Copy Just the Packages
+
+It's also possible to copy just the Python packages themselves. This is particularly useful when you want to use the precompiled libraries from multiple containers.
+
+```dockerfile
+FROM python:{{ python_versions|last }}
+
+COPY --from=ghcr.io/{{ organization  }}/{{ short_repository }}:py{{ python_versions|last }}-slim-LATEST /usr/local/lib/python{{ python_versions|last }}/site-packages/* /usr/local/lib/python{{ python_versions|last }}/site-packages/
+```