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Adding an Environment (revised)

#72 Adding an Environment (revised)

Jan 19, 2012 | 4 minutes |
Rails comes with three environments: development, test, and production, but it is easy to add your own. Here I show how to add a separate staging environment and how to start up Rails under this.
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terminal 
rails s -e staging
rails c staging
RAILS_ENV=staging rails s
export RAILS_ENV=staging
config/environments/staging.rb 
config.log_level = :debug
database.yml 
staging:
  adapter: sqlite3
  database: db/staging.sqlite3
  pool: 5
  timeout: 5000
Gemfile 
group :profiling do
  gem 'ruby-prof'
end
config/application.rb 
Bundler.require(*Rails.groups(:assets => %w(development test), :profiling => %w[staging development])