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/*
 * Copyright (C) 2010 The Guava Authors
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RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

# (1)!
COPY ./main.py /code/

# (2)!
CMD ["fastapi", "run", "main.py", "--port", "80"]
```

1. Копируем файл `main.py` напрямую в `/code` (без директории `./app`).

2. Используем `fastapi run` для запуска приложения из одного файла `main.py`.