FROM python:3.12-slim

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential libpq-dev \
    && rm -rf /var/lib/apt/lists/*

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

COPY . .

EXPOSE ${DJANGO_PORT:-8000}

CMD ["gunicorn", "--bind", "0.0.0.0:${DJANGO_PORT:-8000}", \
     "--workers", "4", "--timeout", "120", \
     "config.wsgi:application"]