update Gemfile

Gemfile

@@ -1,6 +1,7 @@
 source 'https://rubygems.org'
 
 
+
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.0.0', '>= 5.0.0.1'
 # Use sqlite3 as the database for Active Record
@@ -15,11 +16,12 @@ gem 'uglifier', '>= 1.3.0'
 gem 'coffee-rails', '~> 4.2'
 # See https://github.com/rails/execjs#readme for more supported runtimes
 # gem 'therubyracer', platforms: :ruby
-
+gem 'unicorn'
+gem 'execjs'
+gem 'therubyracer'
 platform :ruby do
   gem 'pg'
 end
-
 # Use jquery as the JavaScript library
 gem 'jquery-rails'
 # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
@@ -37,7 +39,7 @@ gem 'jbuilder', '~> 2.5'
 gem 'devise'
 gem 'devise_uid'
 gem 'bcrypt', '~> 3.1.7'
-gem 'simple_form' 
+gem 'simple_form'
 gem 'kaminari'
 gem 'to_csv-rails'
 gem 'bootstrap-multiselect-rails'