[CORD-1685] Adding copyright where missing

Change-Id: I85d70978b8fc3ed5c55d7f5d57fd6a67727b8512
diff --git a/Jenkinsfile.imagebuilder b/Jenkinsfile.imagebuilder
index ca45649..95c11c6 100644
--- a/Jenkinsfile.imagebuilder
+++ b/Jenkinsfile.imagebuilder
@@ -1,3 +1,16 @@
+// Copyright 2017-present Open Networking Foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 stage('checkout') {
     node('master'){