FROM python:3.12-slim

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

WORKDIR /app

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

COPY . .

RUN adduser --disabled-password --gecos '' django
RUN chown -R django:django /app
USER django

RUN python manage.py collectstatic --noinput

EXPOSE 8000

CMD ["gunicorn", "booking_system.wsgi:application", "--bind", "0.0.0.0:8000", "--workers", "4", "--threads", "2"]