stop installing dev env

Pondering if I should change my mindset quite yet about conda, virtualenv and rbenv, etc.

https://www.smashingmagazine.com/2016/04/stop-installing-your-webdev-environment-locally-with-docker/

This guy has fared worse with docker… https://thehftguy.wordpress.com/2016/11/01/docker-in-production-an-history-of-failure/