Base Image Missing Base images should specify a tag to use

[sbollap1]

I am seeing this issue when lint is being run on my Dockerfile(s). How can I disable this specific error. during linting DOCKERFILE_DOCKERFILELINT is the linter being used

Line 3: FROM ${FROM}
Issue  Category      Title                 Description
    1  Clarity       Base Image Missing    Base images should specify a tag to use.
                     Tag

My dockerfile is looking like this:

ARG FROM=docker.io/ubuntu:bionic

FROM ${FROM}

ARG URL=https://pypi.python.org/simple/
...

Currently, my .dockerfilelintrc has this:

rules:
  from_first: off

not sure which one of these would be required https://github.com/replicatedhq/dockerfilelint

[nvuillam]

@sbollap1 it seems dockerfilelint is not maintained anymore, it's possible that we remove it in a next major version, as hadolint covers all its rules, so you may anticipate and add the following in your .mega-linter.yml file

DISABLE_LINTERS:
- DOCKERFILE_DOCKERFILELINT

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