moby/contrib/syntax/textmate/Dockerfile.YAML-tmLanguage

# [PackageDev] target_format: plist, ext: tmLanguage
---
name: Dockerfile
scopeName: source.dockerfile
uuid: a39d8795-59d2-49af-aa00-fe74ee29576e

patterns:
# Keywords
- name: keyword.control.dockerfile
  match: ^\s*(FROM|MAINTAINER|RUN|CMD|EXPOSE|ENV|ADD)\s
- name: keyword.operator.dockerfile
  match: ^\s*(ENTRYPOINT|VOLUME|USER|WORKDIR)\s
# String
- name: string.quoted.double.dockerfile
  begin: "\""
  end: "\""
  patterns:
  - name: constant.character.escaped.dockerfile
    match: \\.
# Comment
- name: comment.block.dockerfile
  match: ^\s*#.*$
...