# Use an official lightweight Python image
FROM python:3.10-slim

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

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

# Set working directory inside the container
WORKDIR /app

# Copy the requirements file and install dependencies
COPY requirements.txt /app/requirements.txt
RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt

# Copy the application code
COPY app.py /app/app.py

# Expose port 7860 (Hugging Face expects the app to run on port 7860)
EXPOSE 7860

# Start uvicorn server on port 7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]