Setup files

Capfile

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

# Includes default deployment tasks
require 'capistrano/deploy'
require 'capistrano/rails'
require 'rvm1/capistrano3'


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

deploy.rb

# config valid only for Capistrano 3.1
require 'capistrano/bundler'
require 'rvm/capistrano'
require 'capistrano3/unicorn'

lock '3.2.1'

set :application, 'domain_spam_checker'
set :repo_url, 'git@bitbucket.org:spamchecker/spam-checker.git'
set :scm_username, "i-arindam"
set :scm_password, "hu57l3r!am"

# rvm1/cap3 specific
set :rvm1_ruby_version, "2.1.2"

set :rvm_ruby_string,'ruby-2.1.2@prod'

set :deploy_to, "/home/deployer/#{fetch(:application)}"

set :format, :pretty

set :pty, true

set :user, "deployer"

set :deploy_via, :remote_cache
set :rails_env, "production"

before 'deploy', 'rvm1:install:gems'  # install/update gems from Gemfile into gemset

namespace :deploy do

  desc 'Restart application'
  task :restart do
    invoke 'unicorn:reload'
  end

  after :publishing, :restart

  after :restart, :clear_cache do
  end

end

Gemfile

source 'https://rubygems.org'

# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.1.5'
# Use mysql as the database for Active Record
gem 'mysql2'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 4.0.3'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# Use CoffeeScript for .js.coffee assets and views
# gem 'coffee-rails', '~> 4.0.0'
# See https://github.com/sstephenson/execjs#readme for more supported runtimes
gem 'therubyracer',  platforms: :ruby

# Use jquery as the JavaScript library
gem 'jquery-rails'
# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
# gem 'turbolinks'
# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
# gem 'jbuilder', '~> 2.0'
# bundle exec rake doc:rails generates the API under doc/api.
# gem 'sdoc', '~> 0.4.0',          group: :doc

gem 'haml'
gem 'haml-rails'
gem 'httparty'

# Use ActiveModel has_secure_password
gem 'bcrypt', '~> 3.1.7'

# Use unicorn as the app server
gem 'unicorn'

# Use Capistrano for deployment
gem 'capistrano-rails', group: :development
gem 'rvm-capistrano'
gem 'capistrano3-unicorn', group: :development
gem 'rvm1-capistrano3', require: false

# Use debugger
gem 'debugger', group: [:development, :test]

gem 'annotate', group: :development