Introduction

When looking in open source examples, or tutorials, one will often see Dockerfiles that look like this:

FROM python:3.6
COPY setup.py /mypackage
COPY src /mypackage/src
COPY requirements.txt /
RUN pip install -r /requirements.txt
RUN pip install /mypackage
ENTRYPOINT ["/usr/bin/mypackage-console-script", "some", "arguments"]

This …