# Use a slim Python base image for fast builds and small footprint
FROM python:3.11-slim

# Set environment variables
ENV PYTHONUNBUFFERED=1
# Hugging Face Spaces uses port 7860 by default
ENV PORT=7860

# Set working directory
WORKDIR /app

# Install system dependencies if needed (minimal for this app)
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

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

# Copy application code
COPY . .

# Expose the port
EXPOSE 7860

# Command to run the application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]