Airbrake configuration from Figaro.

airbrake.rb

# /config/initializers/airbrake.rb
Airbrake.configure do |config|
  config.api_key = Figaro.env.airbrake_api_key
  config.host    = Figaro.env.airbrake_host
  config.port    = 80
  config.secure  = config.port == 443
end

application.yml

# /config/application.yml
airbrake_api_key: 'airbrake_api_key'
airbrake_host: 'airbrake_host'