FROM python:3.11-slim

# System deps for opencv, cairosvg
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 libglib2.0-0 libcairo2 libpango-1.0-0 \
    libpangocairo-1.0-0 libgdk-pixbuf-2.0-0 libffi-dev shared-mime-info \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

# Copy app
COPY . .

# Gradio environment for HF Spaces Docker
ENV SPACE_ID=L3ul/RxnIM
ENV GRADIO_SERVER_NAME=0.0.0.0
ENV GRADIO_SERVER_PORT=7860
ENV NO_PROXY=localhost,127.0.0.1
ENV no_proxy=localhost,127.0.0.1
EXPOSE 7860

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