centos ROR install

#!/bin/bash
#created by robert for config centos ruby on rails env
#1.install depend
yum install -y gcc-c++ patch readline readline-devel zlib zlib-devel libyaml-devel libffi-devel openssl-devel make bzip2 autoconf automake libtool bison iconv-devel
#2.install rvm
curl -L get.rvm.io | bash -s stable
source /etc/profile.d/rvm.sh
source ~/.bashrc
source ~/.bash_profile
#3.install ruvy
rvm install ruby-2.1.4
#4.set gem
gem sources --remove https://rubygems.org/
gem sources -a https://ruby.taobao.org/
#5.install sqlite3
gem install sqlite3 --no-ri --no-rdoc
#6.install mysql2
gem install mysql2
#7 install rails
gem install rails
#8 install thin server
gem install thin