Check if SENTRY_DSN env exist in precompilation

Author: bmarkons

config/application.rb

@@ -20,6 +20,5 @@ class Application < Rails::Application
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
     # config.i18n.default_locale = :de
     config.active_job.queue_adapter = :sidekiq
-    config.assets.initialize_on_precompile = false
   end
 end

config/initializers/sentry.rb

@@ -1,3 +1,3 @@
-if Rails.env.production?
+if Rails.env.production? && ENV['SENTRY_DSN']
   Raven.configure { |config| config.dsn = ENV['SENTRY_DSN'] }
 end