FROM python:3.11-slim

# System libraries required by WeasyPrint (Pango, Cairo, GObject)
RUN apt-get update && apt-get install -y --no-install-recommends \
    libpango-1.0-0 \
    libpangoft2-1.0-0 \
    libpangocairo-1.0-0 \
    libcairo2 \
    libgdk-pixbuf-2.0-0 \
    libffi-dev \
    shared-mime-info \
    fonts-liberation \
    fonts-dejavu-core \
    && rm -rf /var/lib/apt/lists/*

# HuggingFace Spaces runs as user 1000
RUN useradd -m -u 1000 user
USER user

ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

# Copy and install dependencies
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy app source
COPY --chown=user . .

# HF Docker Spaces expect port 7860
EXPOSE 7860

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]