FROM python:3.12-slim

WORKDIR /app

# System deps: gcc for astroscrappy C extension, git for version info
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc g++ git libffi-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy dependency files first (layer caching)
COPY requirements.txt .

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

# Copy application code
COPY asteroidnet/ asteroidnet/
COPY app.py .

# Hugging Face Spaces requires port 7860
EXPOSE 7860

ENV GRADIO_SERVER_NAME="0.0.0.0"
ENV GRADIO_SERVER_PORT=7860
# Prevent matplotlib from trying to open display
ENV MPLBACKEND=Agg

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