Ruby on Rails in CentOS 5
I recently started playing around with Ruby on Rails 3.1 to see what all the hype was about. I’ve been working on a website for our neighborhood and decided to use RoR for it so I can learn it. Rather than going the Heroku route, I wanted to host the site on my Amazon EC2 instance running CentOS 5 64bit. Getting it setup on my server was a bit of a chore mostly because CentOS doesn’t have the latest and greatest packages. Here are the steps I took to get a Rails site up and running.
The latest package offered by yum in CentOS 5 is too old to work with Rails 3.1 so we must build a newer one.
cd /tmp wget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p290.tar.gz tar -zxvf ruby-1.9.2-p290.tar.gz cd ruby-1.9.2-p290 ./configure --prefix=/opt/ruby192 && make && make install export PATH=$PATH:/opt/ruby192/bin echo 'export PATH=$PATH:/opt/ruby192/bin' > /etc/profile.d/ruby192.sh
cd /tmp wget http://rubyforge.org/frs/download.php/75309/rubygems-1.8.10.tgz tar -zxvf rubygems-1.8.10.tar.gz cd rubygems-1.8.10 ruby setup.rb
gem install rails
Although CentOS 5 has SQLite3 installed out of the box it is an older version so we must build a new one.
cd /tmp wget http://www.sqlite.org/sqlite-autoconf-3070800.tar.gz tar -zxvf sqlite-autoconf-3070800.tar.gz cd sqlite-autoconf-3070800 ./configure --prefix=/opt/sqlite3 && make && make install
Phusion Passenger makes running rails apps with Apache a cinch. Run the following:
gem install passenger passenger-install-apache2-module
The installation has nice walk-through instructions. Basically, after the install, you will be placing the following in a new apache config file such as /etc/httpd/conf.d/rails_whatever.conf
LoadModule passenger_module /opt/ruby192/lib/ruby/gems/1.9.1/gems/passenger-3.0.9/ext/apache2/mod_passenger.so PassengerRoot /opt/ruby192/lib/ruby/gems/1.9.1/gems/passenger-3.0.9 PassengerRuby /opt/ruby192/bin/ruby <VirtualHost *:80> ServerName www.yourhost.com DocumentRoot /opt/somewhere/public # <-- be sure to point to 'public'! <Directory /opt/somewhere/public> AllowOverride all # <-- relax Apache security settings Options -MultiViews # <-- MultiViews must be turned off </Directory> </VirtualHost>
New Rails Site
cd /opt rails new somewhere
So at this point I got a bundle error about problems installing sqlite-ruby. Don’t fret. Add the following to /opt/somewhere/Gemfile below gem ‘rails’, ‘3.1.1’:
gem 'execjs' gem 'therubyracer'
Now run the following:
bundle config build.sqlite3 --with-sqlite3-include=/opt/sqlite3 --with-sqlite3-lib=/opt/sqlite3 --with-sqlite3-dir=/opt/sqlite3 bundle update chown -R apache /opt/somewhere
rake db:migrate RAILS_ENV="production"
Fire it Up
service httpd restart
Open a browser and go to www.yoursite.com. If you see the Rails test page then you are up and running!