Github user vishwanathj commented on a diff in the pull request:
https://github.com/apache/incubator-ariatosca-website/pull/3#discussion_r151485240
--- Diff: samples/CentOS/Dockerfile ---
@@ -0,0 +1,25 @@
+FROM centos:7
--- End diff --
Would appreciate if you can share a link to the standard license header
that needs to be used. Is it mandatory for Dockerfiles and docker-compose files
as well?---
