FROM python:3.12-slim

WORKDIR /app/backend

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

COPY requirements.txt ./requirements.txt
RUN python -m pip install --upgrade pip setuptools wheel
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

ENV PYTHONPATH=/app/backend
EXPOSE 8000

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]