Dockerfile

FROM python:3.11-slim

WORKDIR /app

# Install system dependencies if needed (e.g. for numpy/pandas compilation sometimes)
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    && 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 security (Hugging Face Spaces requirement often)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

CMD ["gunicorn", "-b", "0.0.0.0:7860", "app:app"]