FROM python:3.11-slim

WORKDIR /app

# Install dependencies first (layer caching)
COPY requirements.txt ./requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Copy all source files (flat layout in HF Space root)
COPY . .

# HuggingFace Docker Spaces require port 7860
EXPOSE 7860

# Run the FastAPI server which mounts Gradio
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]