FROM python:3.10-slim

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PORT=7860

COPY requirements.txt .
RUN pip install --upgrade pip setuptools wheel \
    && pip install --no-cache-dir -r requirements.txt

COPY . .

EXPOSE 7860

CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--workers", "1", "--threads", "8", "--timeout", "120", "app:app"]