FROM python:3.11-slim AS python-deps
WORKDIR /app
RUN apt-get update && apt-get install -y --no-install-recommends gcc \
    && rm -rf /var/lib/apt/lists/*
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
RUN find /usr/local/lib/python3.11 -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true

FROM python:3.11-slim
WORKDIR /app
COPY --from=python-deps /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
COPY . .
EXPOSE 8000
CMD ["python", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]