FROM python:3.8.2-slim # note: a single RUN to avoid too many image layers being produced RUN apt-get update \ && apt-get upgrade -y \ && apt-get install git apt-utils -y \ && git config --global user.email "black@psf.github.com" \ && git config --global user.name "Gallery/Black" COPY gallery.py / ENTRYPOINT ["python", "/gallery.py"]