use ubi as base image

[rksharma95]

• Container images must declare a non-root user unless their functionality requires privileged access.
• Container images must contain a “licenses” directory.
• Container images must include the following labels:

  name: Image Name
  vendor: Company name
  version: Version of the image
  release: A number used to identify the specific build for this image
  summary: A short overview of the application or component in this image
  description: A long description of the application or component in this image 
  

• validate the changes using preflight tool and make sure it passes the test:

  preflight check container <image>