Script to setup the web server for Rails on an Ubuntu server

gistfile1.sh

#!/bin/bash

#
# Install nginx & passenger build dependencies
#
apt-get install libcurl4-openssl-dev --yes
apt-get install libpcre3 libpcre3-dev --yes

#
# source rvm in the current shell session
#
source /etc/profile.d/rvm.sh

#
# Install Ruby and set system defaults
#
rvm install 1.9.2
rvm use 1.9.2 --default
rvm use 1.9.2@global
gem install rails --version 3.2.2 --no-rdoc --no-ri
gem install bundler --no-rdoc --no-ri

#
# Install unicorn gem in the default gemset
#
gem install unicorn --no-rdoc --no-ri

#
# Build and Install Nginx and Passenger
#
gem install passenger --no-rdoc --no-ri

curl http://nginx.org/download/nginx-1.0.12.tar.gz -o /tmp/nginx-1.0.12.tar.gz

tar -zxvf /tmp/nginx-1.0.12.tar.gz -C /tmp

rvmsudo passenger-install-nginx-module --auto --prefix=/usr/local/nginx --nginx-source-dir=/tmp/nginx-1.0.12 --extra-configure-flags="--conf-path=/etc/nginx/nginx.conf --pid-path=/var/run/nginx.pid --with-http_ssl_module"

# --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --lock-path=/var/lock/nginx.lock --http-client-body-temp-path=/var/lib/nginx/body --http-proxy-temp-path=/var/lib/nginx/proxy --http-fastcgi-temp-path=/var/lib/nginx/fastcgi --user=www-data --group=www-data"

#
# Use recommended config from: http://articles.slicehost.com/2007/12/13/ubuntu-gutsy-nginx-configuration-1
#
mkdir /etc/nginx/sites-available
mkdir /etc/nginx/sites-enabled

rm -f /etc/nginx/nginx.conf
#curl https://raw.github.com/defunkt/unicorn/master/examples/nginx.conf | sed 's|root  path/to/app/current/public;|root /var/www/;|g' > ~/nginx.conf

cat <<-File > /etc/nginx/nginx.conf
user www-data www-data;
worker_processes  4;

error_log  /var/log/nginx/error.log;
pid        /var/run/nginx.pid;

events {
    worker_connections  1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    access_log  /var/log/nginx/access.log;

    sendfile           on;
    tcp_nopush         on;
    tcp_nodelay       off;
    keepalive_timeout   4;

    gzip  on;
    gzip_comp_level 2;
    gzip_proxied any;
    gzip_types      text/plain text/html text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript;

    include /etc/nginx/sites-enabled/*;

}
File

#
# Create an example passenger site config
#
cat <<-File > /etc/nginx/sites-available/default
server {
	listen 80;
	server_name localhost;
	root /var/www/myapplication/public;   # <--- be sure to point to 'public'!
	passenger_enabled on;
	}
File

ln -s /etc/nginx/sites-available/default /etc/nginx/sites-enabled/default

chown www-data:www-data /etc/nginx/nginx.conf
chmod 0644 /etc/nginx/nginx.conf

rm -f /etc/init.d/nginx
curl -s https://raw.github.com/JasonGiedymin/nginx-init-ubuntu/master/nginx > /etc/init.d/nginx
chmod +x /etc/init.d/nginx

#
# Create a init script for Unicorn
#
curl -s https://raw.github.com/railscasts/episode-293/master/todo-after/config/unicorn_init.sh > /etc/init.d/unicorn
chmod +x /etc/init.d/unicorn

#
# give permissions on /var/www to the web group:
#
mkdir /var/www
chgrp -R www-data /var/www
chmod -R 775 /var/www # group write permission

#
# Start nginx
#
/etc/init.d/nginx start
/usr/sbin/update-rc.d -f nginx defaults

#
# start Unicorn
#
/etc/init.d/unicorn start
/usr/sbin/update-rc.d -f unicorn defaults