| FROM python:3.9-slim | |
| WORKDIR /app | |
| COPY . /app | |
| ENV PYTHONUNBUFFERED=1 | |
| # install dependencies (ensure requirements.txt contains gunicorn) | |
| RUN pip install --no-cache-dir -r requirements.txt | |
| EXPOSE 7860 | |
| # Use shell form to allow ${PORT:-7860} expansion | |
| CMD ["sh", "-c", "gunicorn -w 1 -b 0.0.0.0:${PORT:-7860} app:app"] | |