FROM python:3.11-slim

# Set environment variables
ENV PYTHONUNBUFFERED=1

WORKDIR /app

# Copy requirements first for better caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Set PYTHONPATH to include the app directory
ENV PYTHONPATH="/app"

# Expose port (7860 for HF Spaces)
EXPOSE 7860

# Start the server
CMD ["gunicorn", "-b", "0.0.0.0:7860", "--workers", "1", "--threads", "2", "--timeout", "120", "server.api:app"]