babel-register is not recommended for production use. https://phabricator.babeljs.io/T6940 https://phabricator.babeljs.io/T6940 That being said I've used in p

babel-register is not recommended for production use. https://phabricator.babeljs.io/T6940 https://phabricator.babeljs.io/T6940 That being said I've used in production for quite a while, but the memory foot print is a lot higher. I'd recommend compiling to a separate file for production. I recently put in the pull request to suggest not using register in production just as babel-node is not recommended.