FROM python:3.11-slim

# Set environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PORT=7860

# Set working directory
WORKDIR /code

# Install system dependencies for OpenCV
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

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

# Copy application files
COPY . .

# Expose port (Hugging Face Spaces uses 7860 by default)
EXPOSE 7860

# Command to run the application using Gunicorn
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app", "--timeout", "120", "--workers", "1"]