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" <rein...@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/ > rein...@vanrees.org http://www.nelen-schuurmans.nl/ > "Learning history by destroying artifacts is a time-honored atrocity" > > _______________________________________________ > Distutils-SIG maillist - Distutils-SIG@python.org > https://mail.python.org/mailman/listinfo/distutils-sig >
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