#335 Deploying to a VPS pro

apt-get -y update
apt-get -y install curl git-core python-software-properties

# nginx
add-apt-repository ppa:nginx/stable
apt-get -y update
apt-get -y install nginx
service nginx start

# PostgreSQL
add-apt-repository ppa:pitti/postgresql
apt-get -y update
apt-get -y install postgresql libpq-dev
sudo -u postgres psql
# \password
# create user blog with password 'secret';
# create database blog_production owner blog;
# \q

# Postfix
apt-get -y install telnet postfix

# Node.js
add-apt-repository ppa:chris-lea/node.js
apt-get -y update
apt-get -y install nodejs

# Add deployer user
adduser deployer --ingroup admin
su deployer
cd

# rbenv
curl -L https://raw.github.com/fesplugas/rbenv-installer/master/bin/rbenv-installer | bash
vim ~/.bashrc # add rbenv to the top
. ~/.bashrc
rbenv bootstrap-ubuntu-10-04
rbenv install 1.9.3-p125
rbenv global 1.9.3-p125
gem install bundler --no-ri --no-rdoc
rbenv rehash

# get to know github.com
ssh git@github.com

# after deploy:cold
sudo rm /etc/nginx/sites-enabled/default
sudo service nginx restart
sudo update-rc.d -f unicorn_blog defaults

rails new blog -d postgresql
rails g scaffold article name content:text

# setup Git
mate .gitignore
cp config/database.yml config/database.example.yml
git init
git add .
git commit -m "initial commit"
git remote add origin git@github.com:ryanb/blog.git
git push

# add Capistrano, Unicorn, and nginx config
bundle
capify .
chmod +x config/unicorn_init.sh
git add .
git commit -m "deployment configs"

# ssh setup
cat ~/.ssh/id_rsa.pub | ssh deployer@72.14.183.209 'cat >> ~/.ssh/authorized_keys'
ssh-add # -K on Mac OS X

# deployment
cap deploy:setup
# edit /home/deployer/apps/blog/shared/config/database.yml on server
cap deploy:cold

gem 'unicorn'
gem 'capistrano'

load 'deploy/assets'

require "bundler/capistrano"

server "72.14.183.209", :web, :app, :db, primary: true

set :application, "blog"
set :user, "deployer"
set :deploy_to, "/home/#{user}/apps/#{application}"
set :deploy_via, :remote_cache
set :use_sudo, false

set :scm, "git"
set :repository, "git@github.com:ryanb/#{application}.git"
set :branch, "master"

default_run_options[:pty] = true
ssh_options[:forward_agent] = true

after "deploy", "deploy:cleanup" # keep only the last 5 releases

namespace :deploy do
  %w[start stop restart].each do |command|
    desc "#{command} unicorn server"
    task command, roles: :app, except: {no_release: true} do
      run "/etc/init.d/unicorn_#{application} #{command}"
    end
  end

  task :setup_config, roles: :app do
    sudo "ln -nfs #{current_path}/config/nginx.conf /etc/nginx/sites-enabled/#{application}"
    sudo "ln -nfs #{current_path}/config/unicorn_init.sh /etc/init.d/unicorn_#{application}"
    run "mkdir -p #{shared_path}/config"
    put File.read("config/database.example.yml"), "#{shared_path}/config/database.yml"
    puts "Now edit the config files in #{shared_path}."
  end
  after "deploy:setup", "deploy:setup_config"

  task :symlink_config, roles: :app do
    run "ln -nfs #{shared_path}/config/database.yml #{release_path}/config/database.yml"
  end
  after "deploy:finalize_update", "deploy:symlink_config"

  desc "Make sure local git is in sync with remote."
  task :check_revision, roles: :web do
    unless `git rev-parse HEAD` == `git rev-parse origin/master`
      puts "WARNING: HEAD is not the same as origin/master"
      puts "Run `git push` to sync changes."
      exit
    end
  end
  before "deploy", "deploy:check_revision"
end

# Apache (instead of nginx)
apt-get -y install apache2
a2enmod rewrite
# after deploy:
sudo a2dissite default
sudo a2ensite blog
sudo /etc/init.d/apache2 reload

# MySQL (instead of PostgreSQL)
apt-get -y install mysql-server mysql-client libmysqlclient-dev
mysql -u root -p
# create database blog_production;
# grant all on blog_production.* to blog@localhost identified by 'secret';
# exit

# Compile Ruby (instead of rbenv)
sudo apt-get -y install build-essential zlib1g-dev libssl-dev libreadline5-dev libyaml-dev
wget ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p125.tar.gz
tar -xvzf ruby-1.9.3-p125.tar.gz
cd ruby-1.9.3-p125/
./configure --prefix=/usr/local
make
sudo make install
sudo gem install bundler --no-ri --no-rdoc

# Phusion Passenger (instead of Unicorn)
sudo apt-get -y install libcurl4-openssl-dev apache2-prefork-dev libapr1-dev libaprutil1-dev
sudo gem install passenger --no-ri --no-rdoc
sudo passenger-install-apache2-module
sudo vim /etc/apache2/apache2.conf # modify as instructed by installer

# ...
namespace :deploy do
  task :start do; end
  task :stop do; end
  task :restart, roles: :app, except: {no_release: true} do
    run "touch #{deploy_to}/current/tmp/restart.txt"
  end

  task :setup_config, roles: :app do
    sudo "ln -nfs #{current_path}/config/apache.conf /etc/apache2/sites-available/#{application}"
    run "mkdir -p #{shared_path}/config"
    put File.read("config/database.example.yml"), "#{shared_path}/config/database.yml"
    puts "Now edit the config files in #{shared_path}."
  end
  after "deploy:setup", "deploy:setup_config"
  # ...
end

<VirtualHost *:80>
  # ServerName example.com
  # ServerAlias *.example.com
  DocumentRoot /home/deployer/apps/blog/current/public
  <Directory "/home/deployer/apps/blog/current/public">
    Options FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all
  </Directory>
</VirtualHost>