Attempt to reproduce Figaro issue re: Bundler.with_clean_env

application.yml

PUSHER_APP_ID: "2954"
PUSHER_KEY: 7381a978f7dd7f9a1117
PUSHER_SECRET: abdc3b896a0ffb85d373
STRIPE_API_KEY: EdAvEPVEC3LuaTg5Q3z6WbDVqZlcBQ8Z
STRIPE_PUBLIC_KEY: pk_BRgD57O8fHja9HxduJUszhef6jCyS

Gemfile

source 'https://rubygems.org'

gem 'rails', '3.2.12'

# Bundle edge Rails instead:
# gem 'rails', :git => 'git://github.com/rails/rails.git'

gem 'sqlite3'


# Gems used only for assets and not required
# in production environments by default.
group :assets do
  gem 'sass-rails',   '~> 3.2.3'
  gem 'coffee-rails', '~> 3.2.1'

  # See https://github.com/sstephenson/execjs#readme for more supported runtimes
  gem 'therubyracer', :platforms => :ruby

  gem 'uglifier', '>= 1.0.3'
end

gem 'jquery-rails'

gem 'figaro', '0.6.2'

# To use ActiveModel has_secure_password
# gem 'bcrypt-ruby', '~> 3.0.0'

# To use Jbuilder templates for JSON
# gem 'jbuilder'

# Use unicorn as the app server
# gem 'unicorn'

# Deploy with Capistrano
# gem 'capistrano'

# To use debugger
# gem 'debugger'

procedure.sh

apt-get update
apt-get upgrade

# INSTALL RUBY
apt-get install build-essential zlib1g zlib1g-dev libreadline5 libreadline5-dev libssl-dev libyaml-dev
wget ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p392.tar.gz
tar xvfz ruby-1.9.3-p392.tar.gz
cd ruby-1.9.3-p392
./configure --enable-pthread --enable-shared
make
make install
cd ..

# INSTALL HEROKU TOOLBELT
wget -qO- https://toolbelt.heroku.com/install-ubuntu.sh | sh

# INSTALL RAILS
apt-get install libsqlite3-dev libv8-dev
gem install rails
rails new my-app
cd my-app

# CONFIGURE APPLICATION
apt-get install vim
# Edit Gemfile
bundle install
rails generate figaro:install
# Edit config/application.yml

# CONFIGURE HEROKU
apt-get install git
git init
git add .
git commit -m "Initial commit"
heroku create

# TEST FIGARO
heroku config
# => secure-castle-5097 has no config vars.
bundle exec rake figaro:heroku
heroku config
# => === secure-castle-5097 Config Vars
# => PUSHER_APP_ID:     2954
# => PUSHER_KEY:        7381a978f7dd7f9a1117
# => PUSHER_SECRET:     abdc3b896a0ffb85d373
# => STRIPE_API_KEY:    EdAvEPVEC3LuaTg5Q3z6WbDVqZlcBQ8Z
# => STRIPE_PUBLIC_KEY: pk_BRgD57O8fHja9HxduJUszhef6jCyS