deploy.rb

# config valid only for current version of Capistrano
lock '3.4.0'

set :branch, 'master'
set :application, 'PROJECT-NAME'
set :repo_url, 'git@bitbucket.org:xx/xxxx.git'
set :whenever_identifier, ->{ "#{fetch(:application)}_#{fetch(:stage)}" }
set :whenever_roles, [:cron]
set :ssh_options, { :forward_agent => true }

set :sidekiq_role, :app
set :pty, false

set :linked_files, %w{config/database.yml config/unicorn.rb config/application.yml}

set :linked_dirs, %w{log tmp/pids tmp/cache tmp/sockets vendor/bundle}

after 'deploy:publishing', 'deploy:restart'
namespace :deploy do
  desc 'Restart application'

  task :restart do
    invoke 'unicorn:restart'
  end

  after :restart, :clear_cache do
    on roles(:web), in: :groups, limit: 3, wait: 10 do
      # Here we can do anything such as:
      # within release_path do
      #   execute :rake, 'cache:clear'
      # end
    end
  end

  after :finishing, 'deploy:cleanup'
end

require 'airbrake/capistrano3'
after "deploy:finished", "airbrake:deploy"