FROM python:3.11-slim

# HuggingFace requires port 7860
EXPOSE 7860

# System deps for lxml/feedparser
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc libxml2-dev libxslt-dev curl \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python deps first (layer cache)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app code
COPY app.py .
COPY services/ ./services/
COPY static/ ./static/

# HuggingFace runs as non-root user 1000
RUN useradd -m -u 1000 appuser && chown -R appuser /app
USER 1000

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