FROM python:3.13-slim

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    APP_HOST=0.0.0.0 \
    APP_PORT=7788

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

EXPOSE 7788

CMD ["gunicorn", "--bind", "0.0.0.0:7788", "--workers", "2", "--threads", "4", "--timeout", "120", "wsgi:application"]