FROM python:3.11-slim

WORKDIR /app

RUN pip install --no-cache-dir \
    torch==2.6.0+cpu \
    --index-url https://download.pytorch.org/whl/cpu

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

COPY utils.py .
COPY app/ app/
COPY .streamlit/ .streamlit/
COPY data/ data/
COPY models/ models/

ENV KMP_DUPLICATE_LIB_OK=TRUE

# HF Spaces requires a non-root user with uid 1000
RUN useradd -m -u 1000 user && chown -R user /app
USER user

EXPOSE 7860

CMD ["streamlit", "run", "app/main.py", \
     "--server.address=0.0.0.0", \
     "--server.port=7860", \
     "--server.headless=true"]