install-rbenv.sh

# install rbenv on Amazon Linux

# first we need some prerequisites
sudo yum install -y git gcc make readline-devel openssl-devel

# now install rbenv
git clone git://github.com/rbenv/rbenv.git ~/.rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
source ~/.bashrc

# finally install ruby-build
mkdir -p "$(rbenv root)"/plugins
git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build

# don't download documentation when install gems
echo 'gem: --no-document' >> ~/.gemrc

# upgrade rubygems
gem update --system

# now install bundler
gem install bundler