deploy.rb

# config valid only for Capistrano 3.1
lock '3.1.0'

set :application,  'my-app'
set :repo_url,     '[email protected]:my/repo.git'
set :user,         'deploy'
set :scm,          :git
set :deploy_to,    '/srv/www/my-app'

set :ssh_options, forward_agent: true

set :nvm_type,    :user
set :nvm_node,    'v0.10.26'
set :nvm_map_bins, %w{npm forever}

set :linked_dirs, %w{log pid}

namespace :deploy do
  desc 'Install dependencies'
  task :install do
    on roles(:app) do
      within fetch(:release_path) do
        execute :npm, 'install --production'
      end
    end
  end

  desc 'Restart application'
  task :restart do
    on roles(:app) do
      within current_path do
        if capture(:forever, :list).include?("#{current_path}/server.js")
          execute :forever, :restart, "#{current_path}/server.js"
        else
          args = [
            "--append",
            "-l #{current_path}/log/forever.log",
            "-o #{current_path}/log/stdout.log",
            "-e #{current_path}/log/stderr.log",
            "--minUptime 2500",
            "--spinSleepTime 2500",
          ]

          execute :forever, :start, "#{args.join(' ')} #{current_path}/server.js"
        end
      end
    end
  end

  after :updated,    :install
  after :publishing, :restart
end