• This is a bug report
• This is a feature request
• I searched existing issues before opening this one

Expected behavior

3061 should not be triggered for ONBUILD commands.

Actual behavior

Hadolint rule 3061 is triggered for valid ONBUILD commands.

Steps to reproduce the behavior

❯ docker run --rm -i hadolint/hadolint:2.9.1-alpine < Dockerfile
-:2 DL3061 error: Invalid instruction order. Dockerfile must begin with `FROM`, `ARG` or comment.

Output of hadolint --version or
docker run --rm hadolint/hadolint hadolint --version or
docker run --rm ghcr.io/hadolint/hadolint hadolint --version:

❯ docker run --rm -i hadolint/hadolint:2.9.1-alpine hadolint --version
Haskell Dockerfile Linter v2.9.1-0-g42d0378-dirty

Dockerfile (if relevant)

FROM busybox:1.35
ONBUILD COPY foo.txt /

Additional environment details (OS, stack version, etc.)