Capfile, deploy.rb and production.rb -- modified from original outlines according to the Deploying Rails Applications book instructions (Quickstarts Ch4 and 16)

Capfile

# Load DSL and Setup Up Stages
require 'capistrano/setup'

# Includes default deployment tasks
require 'capistrano/deploy'

# Includes tasks from other gems included in your Gemfile
#
# For documentation on these, see for example:
#
#   https://github.com/capistrano/rvm
#   https://github.com/capistrano/rbenv
#   https://github.com/capistrano/chruby
#   https://github.com/capistrano/bundler
#   https://github.com/capistrano/rails
#
# require 'capistrano/rvm'
require 'capistrano/rbenv'
# require 'capistrano/chruby'
require 'capistrano/bundler'
require 'capistrano/rails/assets'
require 'capistrano/rails/migrations'
require 'capistrano/cookbook'

# Loads custom tasks from `lib/capistrano/tasks' if you have any defined.
Dir.glob('lib/capistrano/tasks/*.rake').each { |r| import r }

deploy.rb

lock '3.4.0'
set :log_level, :debug 

set :application, 'yojobs'
set :deploy_user, 'deploy'

set :ssh_options, { :forward_agent => true}
set :ssh_options, { verbose: :debug }

#setup repo details
set :scm, :git
set :repo_url, '[email protected]/jose8a/yojobs.git'

# setup rvm
set :rbenv_type, :system
set :rbenv_ruby, '2.1.2'
set :rbenv_prefix, "RBENV_ROOT=#{fetch(:rbenv_path)} RBENV_VERSION=#{fetch(:rbenv_ruby)} #{fetch(:rbenv_path)}/bin/rbenv exec"
set :rbenv_map_bins, %w{rake gem bundle ruby rails}

# how many old releases do we want to keep, not much
set :keep_releases, 5

# files we want symlinking to specific entries in shared
set :linked_files, %w{config/database.yml config/secrets.yml}

# dirs we want symlinking to shared
set :linked_dirs, %w{bin log tmp/pids tmp/cache tmp/sockets vendor/bundle public/system}

# this:
# http://www.capistranorb.com/documentation/getting-started/flow/
# is worth reading for a quick overview of what tasks are called
# and when for `cap stage deploy`

namespace :deploy do
end

production.rb

set :stage, :production
set :branch, "master"

# This is used in the Nginx VirtualHost to specify which domains
# the app should appear on. If you don't yet have DNS setup, you'll 
# need to create entries in your local Hosts file for testing.
set :server_name, 'MY.IP.ADDR.ESS'    # note the actual IP is being masked just for this gist

# used in case we're deploying multiple versions of the same app
# side by side. Also provides quick sanity checks when looking at
# filepaths
set :full_path_name, "#{fetch(:application)}_#{fetch(:stage)}"

# note the actual IP is being masked just for this gist:
server 'MY.IP.ADDR.ESS', user: 'deploy', roles: %w{web app db}, primary: true  

set :deploy_to, "/home/#{fetch(:deploy_user)}/apps/#{fetch(:full_app_name)}"

# don't try to infer something as important as environment from stage name
set :rails_env, :production

# number of unicorn workers, this will be reflected in 
# the unicorn.rb and the monit configs
set :unicorn_worker_count, 5

# wether we're using ssl or not, used for building nginx
# config file
set :enable_ssl, false