As always, it bears repeating: rvm/rbenv don't belong in production. They exist to allow developers on Macbooks to sync their version of Ruby with whatever is packaged in the Linux distro or BSD variant that runs in production.
If I had a Mac I'd skip the ad-hoc Ruby environment switchers and skip straight to Vagrant.
If I had a Mac I'd skip the ad-hoc Ruby environment switchers and skip straight to Vagrant.