Avoid Rails 4.2 deprecation warning

config/application.rb

@@ -34,6 +34,9 @@ module Foodsoft
     # Enable escaping HTML in JSON.
     config.active_support.escape_html_entities_in_json = true
 
+    # This will be the Rails 5 default
+    config.active_record.raise_in_transactional_callbacks = true
+
     # Use SQL instead of Active Record's schema dumper when creating the database.
     # This is necessary if your schema can't be completely dumped by the schema dumper,
     # like if you have constraints or database-specific column types