Dockerfile

FROM python:3.9

# Create a user and switch to it
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

# Copy and install the required packages from requirements.txt
COPY --chown=user ./requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Install libgl1-mesa-glx for OpenGL (libGL.so.1) and related dependencies
USER root
RUN apt-get update && apt-get install -y libgl1-mesa-glx

# Switch back to the non-root user after installing dependencies
USER user

# Copy the application code to the container
COPY --chown=user . /app

# Use gunicorn to start the app and bind it to port 7860
CMD ["gunicorn", "app:app", "--bind", "0.0.0.0:7860"]