FROM python:3.10-slim

WORKDIR /app

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

COPY requirements.txt .

# We can upgrade pip and then install dependencies. We allow pip to resolve versions without strict equal if necessary,
# but using the given requirements.txt should be fine as it's a Linux container.
RUN pip install --no-cache-dir --upgrade pip
RUN pip install --no-cache-dir -r requirements.txt

# Overwrite some problematic strict versions if they fail, but let's assume they work for now on Linux 3.10.
# Wait, contourpy==1.1.0 works on Python 3.10.

COPY . .

# Hugging Face Spaces exposes port 7860
EXPOSE 7860

CMD ["python", "app.py"]