FROM python:3.12-slim

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

COPY requirements.txt .

# Install CPU-only PyTorch first (lighter, no GPU dependencies)
RUN python -m pip install --upgrade pip && \
    pip install --no-cache-dir torch --index-url https://download.pytorch.org/whl/cpu && \
    pip install --no-cache-dir -r requirements.txt

RUN useradd -m -u 1000 user
WORKDIR /app

COPY --chown=user:user . .
USER user
ENV PATH="/home/user/.local/bin:$PATH"

EXPOSE 7860

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]