default

    # as we’re going to use Unicorn as the application server
    # we’re not going to use common sockets
    # but Unix sockets for faster communication
    upstream shop {
      # fail_timeout=0 means we always retry an upstream even if it failed
      # to return a good HTTP response (in case the Unicorn master nukes a
      # single worker for timing out).

      # for UNIX domain socket setups:
      server unix:/tmp/shop.socket fail_timeout=0;
    }

    server {
        # if you're running multiple servers, instead of "default" you should
        # put your main domain name here
        listen 80 default;

        # you could put a list of other domain names this application answers
        server_name localhost;

        root /home/deployer/shop/current/public;
        access_log /var/log/nginx/shop_access.log;
        rewrite_log on;

        location / {
            #all requests are sent to the UNIX socket
            proxy_pass  http://shop;
            proxy_redirect     off;

            proxy_set_header   Host             $host:$proxy_port;
            proxy_set_header   X-Real-IP        $remote_addr;
            proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;

            client_max_body_size       10m;
            client_body_buffer_size    128k;

            proxy_connect_timeout      90;
            proxy_send_timeout         90;
            proxy_read_timeout         90;

            proxy_buffer_size          4k;
            proxy_buffers              4 32k;
            proxy_busy_buffers_size    64k;
            proxy_temp_file_write_size 64k;
        }

        # if the request is for a static resource, nginx should serve it directly
        # and add a far future expires header to it, making the browser
        # cache the resource and navigate faster over the website
        location ~ ^/(images|javascripts|stylesheets|system)/  {
          root /home/deployer/shop/current/public;
          expires max;
          break;
        }

    }

deploy.rb

set :use_sudo,            false
#tell git to clone only the latest revision and not the whole repository
set :git_shallow_clone,   1
set :keep_releases,       5
set :application,         "shop"
set :user,                "deployer"
set :password,            "asdfg"
set :deploy_to,           "/home/deployer/shop"
set :runner,              "deployer"
set :repository,          "git@github.com:mauricio/linuxfi-loja.git"
set :scm,                 :git
#options necessary to make Ubuntu’s SSH happy
ssh_options[:paranoid]    = false
default_run_options[:pty] = true

role :app, "184.106.215.175"
role :web, "184.106.215.175"
role :db,  "184.106.215.175", :primary => true

nginx.conf

user deployer staff;
worker_processes  4;

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

events {
    worker_connections  1024;
    accept_mutex on;
}

http {
    include       /etc/nginx/mime.types;

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

    sendfile on; 

    tcp_nopush on; # off may be better for *some* Comet/long-poll stuff
    tcp_nodelay off; # on may be better for some Comet/long-poll stuff

    gzip on;
    gzip_http_version 1.0;
    gzip_proxied any;
    gzip_min_length 500;
    gzip_disable "MSIE [1-6]\.";
    gzip_types text/plain text/html text/xml text/css text/comma-separated-values text/javascript application/x-javascript application/atom+xml;

    include /etc/nginx/conf.d/*.conf;
    include /etc/nginx/sites-enabled/*;
}

unicorn

#! /bin/sh

### BEGIN INIT INFO
# Provides:          unicorn
# Required-Start:    $local_fs $remote_fs $network $syslog
# Required-Stop:     $local_fs $remote_fs $network $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the unicorn web server
# Description:       starts unicorn
### END INIT INFO

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/bin/unicorn_rails
DAEMON_OPTS="-c /home/deployer/shop/current/unicorn.rb -E production -D"
NAME=unicorn_rails
DESC=unicorn_rails
PID=/home/deployer/shop/shared/pids/unicorn.pid

case "$1" in
  start)
	echo -n "Starting $DESC: "
	$DAEMON $DAEMON_OPTS
	echo "$NAME."
	;;
  stop)
	echo -n "Stopping $DESC: "
        kill -QUIT `cat $PID`
	echo "$NAME."
	;;
  restart)
	echo -n "Restarting $DESC: "
        kill -QUIT `cat $PID`
	sleep 1
	$DAEMON $DAEMON_OPTS
	echo "$NAME."
	;;
  reload)
        echo -n "Reloading $DESC configuration: "
        kill -HUP `cat $PID`
        echo "$NAME."
        ;;
  *)
	echo "Usage: $NAME {start|stop|restart|reload}" >&2
	exit 1
	;;
esac

exit 0

unicorn.rb

# See http://unicorn.bogomips.org/Unicorn/Configurator.html for complete
# documentation.
worker_processes 4
# Help ensure your application will always spawn in the symlinked
# "current" directory that Capistrano sets up.
working_directory "/home/deployer/shop/current"
# listen on both a Unix domain socket and a TCP port,
# we use a shorter backlog for quicker failover when busy
listen "/tmp/shop.socket", :backlog => 64
# nuke workers after 30 seconds instead of 60 seconds (the default)
timeout 30
# feel free to point this anywhere accessible on the filesystem
user 'deployer', 'staff'
shared_path = “/home/deployer/shop/shared”
pid "#{shared_path}/pids/unicorn.pid"
stderr_path "#{shared_path}/log/unicorn.stderr.log"
stdout_path "#{shared_path}/log/unicorn.stdout.log"