《具》rbenv：Groom your app’s Ruby environment on macOS

《具》

rbenv：Groom your app’s Ruby environment

install rbenv

brew install rbenv

rbenv init

rbenv rehash

check rbenv

curl -fsSL https://github.com/rbenv/rbenv-installer/raw/master/bin/rbenv-doctor | bash 

use rbenv

# list all available versions:
$ rbenv install -l

# install a Ruby version:
$ rbenv install 2.7.1

use ruby

gem install bundler

gem env home

Refrences

• https://gist.github.com/sstephenson/112093