# Use official Python image
FROM python:3.10

# Set working directory
WORKDIR /app

# Install system packages (LaTeX, fonts, and compiler tools)
RUN apt-get update && apt-get install -y \
    latexmk \
    texlive-latex-recommended \
    texlive-fonts-recommended \
    texlive-latex-extra \
    texlive-xetex \
    lmodern \
    fontconfig \
    build-essential \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app code
COPY . .

# Expose FastAPI port (Hugging Face Spaces uses port 7860)
EXPOSE 7860

# Start FastAPI app with proper configuration for HF Spaces
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--proxy-headers"]