[Compass] Sass, Compass, ruby install

rbenv install with homebrew

brew update //homebrew update
brew install rbenv ruby-build

ruby install

rbenv install 2.x.x //install 2.x.x version
rbenv rehash //start new version of ruby

ruby -v(version check)

ruby -v

ruby setiing

rbenv global 2.x.x //set global ruby version
rbenv local 2.x.x //set local ruby version

Homebrew: https://brew.sh/index_ko

Sass install

gem install sass

Compass install

gem install compass