Running delayed_job with foreman

capistrano_hooks.rb

# You're on your own for environment setup. Personally, I deploy out a .env file to the shared dir
# and symlink it the same way as what's done for the .foreman file here.
Capistrano::Configuration.instance(:must_exist).load do

  _cset(:app_user, 'www-data')
  _cset(:foreman_bin, 'bundle exec foreman')
  
  namespace :foreman do
    desc "Export the Procfile to Ubuntu's upstart scripts"
    task :export, :roles => [:app, :queue] do
      run "cd #{current_path} && #{foreman_bin} export upstart /etc/init -a #{application} -u #{app_user} -l #{latest_release}/log"
    end
    
    desc "Symlink foreman configuration"
    task :symlink_config, :except => { :no_release => true } do
      run <<-CMD
        rm -f #{latest_release}/.foreman &&
        ln -s #{shared_path}/foreman #{latest_release}/.foreman
      CMD
    end
  end
  
  after 'deploy:finalize_update', 'foreman:symlink_config'
  
  namespace :deploy do
    desc "Start the application services"
    task :start, :roles => [:app, :queue] do
      sudo "start #{application}"
    end

    desc "Stop the application services"
    task :stop, :roles => [:app, :queue] do
      sudo "stop #{application}"
    end

    desc "Restart the application services"
    task :restart, :roles => [:app, :queue] do
      run "start #{application} || restart #{application}"
    end
  end

  after "deploy:update", "foreman:export"  
end

Procfile

queue: ./queue.sh

queue.sh

#!/bin/sh
exec bundle exec rake jobs:work RAILS_ENV=${RACK_ENV:-development} 2>&1