FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /app

COPY requirements.txt .
RUN pip install --upgrade pip && pip install -r requirements.txt

COPY . .

RUN python manage.py collectstatic --noinput

EXPOSE 8000

CMD ["gunicorn", "booking_system.wsgi:application", "--bind", "0.0.0.0:8000", "--workers", "3"]