FROM python:3.9-slim

# Install system dependencies required for OpenCV
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Set up a new user named "user" with user ID 1000
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app

# Copy the requirements file and install dependencies
COPY --chown=user requirements_web.txt .
RUN pip install --no-cache-dir -r requirements_web.txt gunicorn

# Copy the rest of the application
COPY --chown=user . .

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

# Command to run the Flask application using Gunicorn
CMD ["gunicorn", "-b", "0.0.0.0:7860", "--timeout", "120", "--workers", "1", "--threads", "2", "app:app"]