7. Set the current working directory to `/code`.

8. Copy the `requirements.txt` file to the `/code` directory.

    This file only lives in the previous Docker stage, that's why we use `--from-requirements-stage` to copy it.

9. Install the package dependencies in the generated `requirements.txt` file.

10. Copy the `app` directory to the `/code` directory.

11. Use the `fastapi run` command to run your app.