Poetry: Add option to install dependencies to the system site packages

[ZhukovGreen]

It is not always easy to have some packages installed inside the virtualenv + having the virtualenv inside the docker container, which only runs your app, makes no sense.

It would be nice to have an option i.e. --system to deploy your package right inside the system without venv.

Now solving it in a stupid way:

RUN mkdir -p /root/.cache/pypoetry/virtualenvs/phex-recutech-mcs-py3.6/lib/python3.6 
RUN ln -sf /usr/local/lib/python3.6/site-packages /root/.cache/pypoetry/virtualenvs/phex-recutech-mcs-py3.6/lib/python3.6

[sdispater]

You can disable the automatic creation of virtualenvs by using:

poetry config settings.virtualenvs.create false

[piotr-dobrogost]

having the virtualenv inside the docker container, which only runs your app, makes no sense

This is common misconception. See Deploying Python Applications with Docker - A Suggestion or Why people create virtualenv in a docker container?.

This is duplicate of issue #218

[ZhukovGreen]

There are some situations when using a virtualenv creates complications. For example a docker container with some global python package. In my case it was compiled from the source freecad. Exposing it to the virtualenv is a headache.

[wyl8899]

For those who find here later, the config command worked for me was:

poetry config virtualenvs.create false