# Use official Python image
FROM python:3.11-slim

# Set work directory
WORKDIR /app

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

# Copy backend code
COPY app.py .

# Expose port 7860 (HF expects this, even for FastAPI)
EXPOSE 7860

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