Ensure that LABEL maintainer is used instead of MAINTAINER (deprecated)

Error: LABEL maintainer is not used instead of MAINTAINER (deprecated)

Bridgecrew Policy ID: BC_DKR_6
Checkov Check ID: CKV_DOCKER_6
Severity: LOW

LABEL maintainer is not used instead of MAINTAINER (deprecated)

Description

The LABEL instruction is much more flexible and recommended to replace the MAINTAINER (deprecated) instruction in a Dockerfile.

Fix - Buildtime

Docker

FROM  base

- MAINTAINER bad
+ LABEL maintainer = good