# Use an official Python runtime as a parent image
FROM python:3.9-slim

# Set the working directory to /app
WORKDIR /app

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

# Copy the current directory contents into the container at /app
COPY . /app

# Install any needed packages specified in requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Make port 7860 available to the world outside this container
# (7860 is the hard requirement for Hugging Face Spaces)
EXPOSE 7860

# Run gunicorn when the container launches
CMD ["gunicorn", "-w", "1", "-b", "0.0.0.0:7860", "app:app", "--timeout", "120"]