FROM python:3.11-slim
RUN apt-get update && apt-get install -y --no-install-recommends build-essential \
    && rm -rf /var/lib/apt/lists/*
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user PATH=/home/user/.local/bin:$PATH \
    ASTRANEXUS_FINETUNED=1 HF_HOME=/home/user/.cache/huggingface
WORKDIR /home/user/app
COPY --chown=user requirements.txt .
# CPU torch first (avoid the multi-GB CUDA wheel), then the rest.
RUN pip install --no-cache-dir --user torch torchvision --index-url https://download.pytorch.org/whl/cpu
RUN pip install --no-cache-dir --user -r requirements.txt
COPY --chown=user . .
EXPOSE 7860
CMD ["uvicorn", "server:app", "--host", "0.0.0.0", "--port", "7860"]