Basic env setup for Amazon AMI

setup.sh

#!/bin/bash

sudo yum install -y git gcc openssl-devel readline-devel zlib-devel
git clone https://github.com/rbenv/rbenv.git ~/.rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
~/.rbenv/bin/rbenv init
source ~/.bash_profile
eval "$(rbenv init -)"
type rbenv
git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build
rbenv install 2.3.1
rbenv global 2.3.1
ruby -v
gem install bundler
mkdir ~/.rbenv/plugins
git clone git://github.com/dcarley/rbenv-sudo.git ~/.rbenv/plugins/rbenv-sudo
sudo yum groupinstall "Development tools"
sudo yum -y install postgresql postgresql-server postgresql-libs postgresql-contrib postgresql-devel postgresql-docs
sudo service postgresql initdb
sudo chkconfig postgresql on
sudo service postgresql start