Deploying Sinatra/Thin to WebFaction

config.ru

# config/config.ru

require "rubygems"
require "bundler/setup"

require './app'
run Sinatra::Application

config.yml

# config/config.yml

environment: production
chdir: /home/user/webapps/app_name
address: 127.0.0.1
user: user
group: user
port: 12345 # you get this from the WebFaction Control Panel after creating the custom application
rackup: /home/user/webapps/app_name/config/config.ru
max_conns: 1024
timeout: 30
max_persistent_conns: 512
daemonize: true

Rakefile

require 'rake'

namespace :thin do

  desc "Start the application"
  task :start do
    puts "Starting the application..."
    system "thin -s 1 -C config/config.yml -R config/config.ru start"
  end

  desc "Stop the application"
  task :stop do
    puts "Stopping the application..."
    Dir.new("/home/user/webapps/app_name/tmp/pids").each do |file|
      prefix = file.to_s
      if prefix[0, 4] == 'thin'
        puts "Stopping server on port #{file[/\d+/]}..."
        system "thin stop -Ptmp/pids/#{file}"
      end
    end
  end

  desc "Restart the application"
  task :restart do
    puts "Restarting the application..."
    Rake::Task["thin:stop"].invoke
    Rake::Task["thin:start"].invoke
  end

end

desc "Deploy to server"
task :deploy, :password do |t, args|
  puts "Deploying to server..."

  system "rsync --exclude 'log/*.log' --exclude 'tmp/**/*' --exclude '.git' --exclude '.gitignore' -rltvz -e ssh . user@user.webfactional.com:/home/user/webapps/app_name"

  require "net/ssh"
  Net::SSH.start("user.webfactional.com", "user", :password => args[:password]) do |ssh|
    commands = [
      "cd /home/user/webapps/app_name",
      "rvm use 1.9.3-p194@app_name --create", # assumes, rvm is already setup on the server
      "bundle install --without=development",
      # "bundle exec whenever --update-crontab", optionally, schedule cron jobs using whenever
      "bundle exec rake thin:restart"
    ].join " && "

    ssh.exec commands
  end

  puts "Finished!"
end