install-git-and-ruby.sh

# install git
# for apt-add-repository
apt-get install -y software-properties-common
 
sudo apt-add-repository -y ppa:git-core/ppa
apt-get update
 
apt-get install -y git

#---------------- [ ruby ] ----------

apt-get -y install autoconf bison build-essential libssl-dev libyaml-dev zlib1g-dev libncurses5-dev libffi-dev libgdbm3 libgdbm-dev libreadline-dev 

git clone https://github.com/sstephenson/ruby-build.git
cd ruby-build
./install.sh

#ruby-build 2.2.3 /usr/local
ruby-build 2.3.1 /usr/local
echo 'gem: --no-document' >> ~/.gemrc
gem install bundler