Add deployed version to Bugsnag

config/initializers/bugsnag.rb

@@ -1,6 +1,8 @@
 Bugsnag.configure do |config|
   config.api_key = ENV['BUGSNAG_API_KEY']
   config.release_stage = Rails.env
+  config.app_version = Rails.application.config.x.git_version
+
   # Avoid missing API key warning without changing the Rails log level.
   if Rails.env.development?
     config.logger = Logger.new(STDOUT)