dockerfile.js
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dockerfile.js
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	/*
	Language: Dockerfile
	Requires: bash.js
	Author: Alexis Hénaut <alexis@henaut.net>
	Description: language definition for Dockerfile files
	Website: https://docs.docker.com/engine/reference/builder/
	Category: config
	*/

	/** @type LanguageFn */
	function dockerfile(hljs) {
	const KEYWORDS = [
	"from",
	"maintainer",
	"expose",
	"env",
	"arg",
	"user",
	"onbuild",
	"stopsignal"
	];
	return {
	name: 'Dockerfile',
	aliases: ['docker'],
	case_insensitive: true,
	keywords: KEYWORDS,
	contains: [
	hljs.HASH_COMMENT_MODE,
	hljs.APOS_STRING_MODE,
	hljs.QUOTE_STRING_MODE,
	hljs.NUMBER_MODE,
	{
	beginKeywords: 'run cmd entrypoint volume add copy workdir label healthcheck shell',
	starts: {
	end: /[^\\]$/,
	subLanguage: 'bash'
	}
	}
	],
	illegal: '</'
	};
	}

	module.exports = dockerfile;