Prism.languages.docker = {
	'keyword': {
		pattern: /(^\s*)(?:ONBUILD|FROM|MAINTAINER|RUN|EXPOSE|ENV|ADD|COPY|VOLUME|USER|WORKDIR|CMD|LABEL|ENTRYPOINT)(?=\s)/mi,
		lookbehind: true
	},
	'string': /("|')(?:(?!\1)[^\\\r\n]|\\(?:\r\n|[\s\S]))*?\1/,
	'comment': /#.*/,
	'punctuation': /---|\.\.\.|[:[\]{}\-,|>?]/
};

Prism.languages.dockerfile = Prism.languages.docker;

Prism.languages.docker = {
	'keyword': {
		pattern: /(^\s*)(?:ADD|ARG|CMD|COPY|ENTRYPOINT|ENV|EXPOSE|FROM|HEALTHCHECK|LABEL|MAINTAINER|ONBUILD|RUN|SHELL|STOPSIGNAL|USER|VOLUME|WORKDIR)(?=\s)/mi,
		lookbehind: true
	},
	'string': /("|')(?:(?!\1)[^\\\r\n]|\\(?:\r\n|[\s\S]))*?\1/,
	'comment': /#.*/,
	'punctuation': /---|\.\.\.|[:[\]{}\-,|>?]/
};

Prism.languages.dockerfile = Prism.languages.docker;

Update the list of keywords for dockerfiles
Update the list of keywords for dockerfiles
