ubuntu + unicorn + sinatra

README.md

Based on:

• Ruby on Rails server setup on Ubuntu 11.04 with Nginx, Unicorn, Rbenv
• Nginx Proxied to Unicorn

Install packages

Make add-apt-repository work:

$ sudo apt-get install python-software-properties

Add nginx repository:

$ sudo add-apt-repository ppa:nginx/stable
$ sudo apt-get update

Install packages:

$ sudo apt-get -y install nginx git-core build-essential
$ sudo apt-get -y install zlib1g-dev
$ sudo apt-get -y install libssl-dev libsqlite3-dev
$ sudo apt-get -y install curl

Create app user

$ sudo adduser --shell /bin/bash app

Install rbenv, ruby-build and ruby for user

Switch user:

$ su - app

Install rbenv:

$ git clone git://github.com/sstephenson/rbenv.git .rbenv
$ echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
$ echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
$ source ~/.bash_profile

Install ruby-build

$ mkdir -p ~/.rbenv/plugins
$ cd ~/.rbenv/plugins
$ git clone git://github.com/sstephenson/ruby-build.git

Install ruby

$ rbenv install 1.9.3-p194
$ rbenv global 1.9.3-p194
$ rbenv rehash

Checkout & setup app

As app user $ git clone ~/app

Install bundle/gems

Create folders for app

$ mkdir -p ~/app/tmp/{sockets,pids} $ mkdir ~/app/log

Setup unicorn & nginx

Create unicorn.rb in ~/app if needed.

Create /etc/init.d/unicorn[-APP_NAME] as sudo $ sudo chmod +x /etc/init.d/unicorn[-APP_NAME]

Edit nginx config

Start services

$ sudo service unicorn start
$ sudo service nginx start
$ sudo update-rc.d unicorn defaults

etc init.d unicorn

### 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

USER=app
PATH=/home/$USER/.rbenv/bin:/home/$USER/.rbenv/shims:$PATH
DAEMON=unicorn
DAEMON_OPTS="-c /home/$USER/app/unicorn.rb -E production -D"
NAME=unicorn
DESC="Unicorn app for $USER"
PID=/home/$USER/app/tmp/pids/unicorn.pid

case "$1" in
  start)
        CD_TO_APP_DIR="cd /home/$USER/app"
        START_DAEMON_PROCESS="$DAEMON $DAEMON_OPTS"

        echo -n "Starting $DESC: "
        if [ `whoami` = root ]; then
          su - $USER -c "$CD_TO_APP_DIR > /dev/null 2>&1 && $START_DAEMON_PROCESS"
        else
          $CD_TO_APP_DIR > /dev/null 2>&1 && $START_DAEMON_PROCESS
        fi
        echo "$NAME."
        ;;
  stop)
        echo -n "Stopping $DESC: "
        kill -QUIT `cat $PID`
        echo "$NAME."
        ;;
  restart)
        echo -n "Restarting $DESC: "
        kill -USR2 `cat $PID`
        echo "$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

etc nginx sites-available app

upstream workers {
    server unix:/home/app/app/tmp/sockets/unicorn.sock fail_timeout=0;
}

server {
    listen 80;
    server_name _;
    root /home/app/app/public;

    location / {
        access_log off;
        include proxy_params;
        proxy_redirect off;

        if (-f $request_filename) {
            access_log off;
            expires max;
            break;
        } 

        if (!-f $request_filename) {
            proxy_pass http://workers;
            break;
        }
    }
}

unicorn.rb

@dir = '/home/app/app/'

worker_processes 8
working_directory @dir

listen "#{@dir}tmp/sockets/unicorn.sock", backlog: 64

pid "#{@dir}tmp/pids/unicorn.pid"

stderr_path "#{@dir}log/unicorn.stderr.log"
stdout_path "#{@dir}log/unicorn.stdout.log"