Dockerfile

FROM python:3.11-slim

WORKDIR /app

# Install system dependencies if needed (e.g. for sklearn build sometimes)
# But usually slim is enough for wheels.
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

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

COPY . .

# Create a non-root user for Hugging Face Spaces security
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

EXPOSE 7860

CMD ["python", "app.py"]