rules:
  - id: maintainer-is-deprecated
    severity: INFO
    languages: [dockerfile]
    pattern: MAINTAINER $NAME
    message: >-
      MAINTAINER has been deprecated.
    metadata:
      source-rule-url: https://github.com/hadolint/hadolint/wiki/DL4000
      references:
        - https://github.com/hadolint/hadolint/wiki/DL4000
      category: best-practice
      technology:
        - dockerfile
    fix: "# MAINTAINER $NAME"