initial commit

Gemfile

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+source 'https://rubygems.org'
+gem 'sinatra'
+gem 'unicorn'
+gem 'capistrano', '2.15.5'

Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    capistrano (2.15.5)
+      highline
+      net-scp (>= 1.0.0)
+      net-sftp (>= 2.0.0)
+      net-ssh (>= 2.0.14)
+      net-ssh-gateway (>= 1.1.0)
+    highline (1.6.21)
+    kgio (2.9.2)
+    net-scp (1.1.2)
+      net-ssh (>= 2.6.5)
+    net-sftp (2.1.2)
+      net-ssh (>= 2.6.5)
+    net-ssh (2.8.0)
+    net-ssh-gateway (1.2.0)
+      net-ssh (>= 2.6.5)
+    rack (1.5.2)
+    rack-protection (1.5.2)
+      rack
+    raindrops (0.13.0)
+    sinatra (1.4.4)
+      rack (~> 1.4)
+      rack-protection (~> 1.4)
+      tilt (~> 1.3, >= 1.3.4)
+    tilt (1.4.1)
+    unicorn (4.8.2)
+      kgio (~> 2.6)
+      rack
+      raindrops (~> 0.7)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  capistrano (= 2.15.5)
+  sinatra
+  unicorn

config.ru

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+require './hello'
+run SimpleApp

config/deploy.rb

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+require "bundler/capistrano"
+set :bundle_flags, "--deployment --quiet --binstubs"
+set :domain, "arbousier.info"
+set :application, "sinatra_hello"
+set :deploy_to, "/home/rails/#{application}"
+set :unicorn_conf, "#{deploy_to}/current/config/unicorn.rb"
+set :unicorn_pid, "#{deploy_to}/shared/pids/unicorn.pid"
+
+
+set :user, "rails"
+set :use_sudo, false
+set :group, user
+set :runner, user
+
+set :default_environment, {
+  'PATH' => "/usr/local/rbenv/shims:/usr/local/rbenv/bin:$PATH"
+}
+
+set :scm, :git
+set :repository,  "git@github.com:mcansky/sinatra_hello.git"
+set :branch, 'master'
+set :git_shallow_clone, 1
+
+set :host, "#{user}@109.107.37.177"
+
+role :web, domain
+role :app, domain
+#role :db,  domain, :primary => true
+
+set :deploy_via, :remote_cache
+
+# Unicorn control tasks
+namespace :deploy do
+  task :symlink_config, roles: :app do
+    run "ln -nfs #{shared_path}/config/database.yml #{release_path}/config/database.yml"
+    run "ln -nfs #{shared_path}/config/unicorn.rb #{release_path}/config/unicorn.rb"
+  end
+
+  task :restart do
+    run "if [ -f #{unicorn_pid} ]; then kill -USR2 `cat #{unicorn_pid}`; else cd #{deploy_to}/current && bundle exec unicorn -c #{unicorn_conf} -E #{rails_env} -D; fi"
+  end
+  task :start do
+    run "cd #{deploy_to}/current && bundle exec unicorn -c #{unicorn_conf} -E #{rails_env} -D"
+  end
+  task :stop do
+    run "if [ -f #{unicorn_pid} ]; then kill -QUIT `cat #{unicorn_pid}`; fi"
+  end
+  after "deploy:restart", "deploy:symlink_config"
+end

config/unicorn.rb

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+# define paths and filenames
+deploy_to = "/home/rails/sinatra_hello"
+rails_root = "#{deploy_to}/current"
+pid_file = "#{deploy_to}/shared/pids/unicorn.pid"
+socket_file= "#{deploy_to}/shared/unicorn.sock"
+log_file = "#{rails_root}/log/unicorn.log"
+err_log = "#{rails_root}/log/unicorn_error.log"
+old_pid = pid_file + '.oldbin'
+
+timeout 30
+worker_processes 2 # increase or decrease
+listen socket_file, :backlog => 1024
+
+pid pid_file
+stderr_path err_log
+stdout_path log_file
+
+# make forks faster
+preload_app true
+
+# make sure that Bundler finds the Gemfile
+before_exec do |server|
+  ENV['BUNDLE_GEMFILE'] = File.expand_path('../Gemfile', File.dirname(__FILE__))
+end
+
+before_fork do |server, worker|
+  defined?(ActiveRecord::Base) and
+      ActiveRecord::Base.connection.disconnect!
+
+  # zero downtime deploy magic:
+  # if unicorn is already running, ask it to start a new process and quit.
+  if File.exists?(old_pid) && server.pid != old_pid
+    begin
+      Process.kill("QUIT", File.read(old_pid).to_i)
+    rescue Errno::ENOENT, Errno::ESRCH
+      # someone else did our job for us
+    end
+  end
+end
+
+after_fork do |server, worker|
+
+  # re-establish activerecord connections.
+  defined?(ActiveRecord::Base) and
+      ActiveRecord::Base.establish_connection
+end

hello.rb

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+require 'sinatra'
+
+class SimpleApp < Sinatra::Base
+
+  get '/' do
+    "Hello World!"
+  end
+
+end