X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/318c49002aea966128a9d37ab29e601a104d79bb..6e8c3cc1fe4328b708d5979e27632835f74261fb:/services/api/Gemfile

diff --git a/services/api/Gemfile b/services/api/Gemfile
index fde02481db..c06a9c5a97 100644
--- a/services/api/Gemfile
+++ b/services/api/Gemfile
@@ -1,3 +1,7 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 source 'https://rubygems.org'
 
 gem 'rails', '~> 4.0'
@@ -60,6 +64,8 @@ gem 'safe_yaml'
 gem 'lograge'
 gem 'logstash-event'
 
+gem 'rails-observers'
+
 # Install any plugin gems
 Dir.glob(File.join(File.dirname(__FILE__), 'lib', '**', "Gemfile")) do |f|
     eval(IO.read(f), binding)