Example of capistrano deploy.rb

deploy.rb

# config valid only for current version of Capistrano
lock '3.3.5'

set :application, 'app_name'
set :repo_url, 'git@github.com:xxx/xxx.git'

# Default branch is :master
ask :branch, `git rev-parse --abbrev-ref HEAD`.chomp

# Default deploy_to directory is /var/www/my_app_name
set :deploy_to, '/home/deployer/apps/app_name'
# Default value for :scm is :git
# set :scm, :git

# Default value for :format is :pretty
# set :format, :pretty

# Default value for :log_level is :debug
# set :log_level, :debug

# Default value for :pty is false
set :pty, true

# Default value for :linked_files is []
set :linked_files, fetch(:linked_files, []).push('config/database.yml', 'config/application.yml')
# set :linked_files, fetch(:linked_files, []).push('config/database.yml', 'config/secrets.yml')

# Default value for linked_dirs is []
# set :linked_dirs, fetch(:linked_dirs, []).push('log', 'tmp/pids', 'tmp/cache', 'tmp/sockets', 'vendor/bundle', 'public/system')

# Default value for default_env is {}
# set :default_env, { path: "/opt/ruby/bin:$PATH" }

# Default value for keep_releases is 5
set :keep_releases, 5

set :passenger_restart_command, 'rvmsudo passenger-config restart-app'

# Set rvm and ruby version if you use specific ones
#set :rvm_ruby_version, '2.0.0@gemset_name'

# namespace :deploy do

#   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

# end