[Distutils] Docker, development, buildout, virtualenv, local/global install

[Nathaniel Smith]

For a lot of good general information on these subjects, I recommend
Glyph's talk at pycon this year:
  https://www.youtube.com/watch?v=5BqAeN-F9Qs

One point that's discussed is why you definitely should use virtualenv
inside your containers :-)

-n
On Jun 15, 2016 2:07 AM, "Reinout van Rees" <reinout at vanrees.org> wrote:

> Hi,
>
> Buzzword bingo in the subject...
>
> Situation: I'm experimenting with docker, mostly in combination with
> buildout. But it also applies to pip/virtualenv.
>
> I build a docker container with a Dockerfile: install some .deb packages,
> add the current directory as /code/, run buildout (or pip), ready. Works
> fine.
>
> Now local development: it is normal to mount the current directory as
> /code/, so that now is overlayed over the originally-added-to-the-docker
> /code/.
>
>
>
> This means that anything done inside /code/ is effectively discarded in
> development. So a "bin/buildout" run has to be done again, because the
> bin/, parts/, eggs/ etc directories are gone.
>
> Same problem with a virtualenv. *Not* though when you run pip directly and
> let it install packages globally! Those are installed outside of /code in
> /usr/local/somewhere.
>
>
>
> A comment and a question:
>
> - Comment: "everybody" uses virtualenv, but be aware that it is apparently
> normal *not* to use virtualenv when building dockers.
>
> - Question: buildout, like virtualenv+pip, installs everything in the
> current directory. Would an option to install it globally instead make
> sense? I don't know if it is possible.
>
>
>
>
> Reinout
>
> --
> Reinout van Rees                          http://reinout.vanrees.org/
> reinout at vanrees.org                   http://www.nelen-schuurmans.nl/
> "Learning history by destroying artifacts is a time-honored atrocity"
>
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