FROM python:3.12-slim AS build

WORKDIR /app

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

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

FROM python:3.12-slim

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

COPY --from=build /install /usr/local

RUN useradd -r -s /bin/false appuser
RUN mkdir -p /app/data /app/uploads && chown appuser:appuser /app/data /app/uploads

WORKDIR /app
COPY . .

RUN chown -R appuser:appuser /app

USER appuser

EXPOSE 8000

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]