| 123456789101112131415161718192021 | module.exports = function(hljs) {  return {    aliases: ['docker'],    case_insensitive: true,    keywords: 'from maintainer expose env arg user onbuild stopsignal',    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: '</'  }};
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