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https://blog.jscrambler.com/setting-up-5-useful-middlewares-for-an-express-api/
https://medium.com/@andy.neale/securing-node-web-applications-5d5f9bc21926
https://www.npmjs.com/package/hpp
https://www.npmjs.com/package/less-middleware
https://www.npmjs.com/package/browserify-middleware
https://colorlib.com/wp/npm-packages-node-js/
https://blog.aulaformativa.com/utiles-herramientas-para-el-entorno-de-programacion-node-js/
https://www.npmjs.com/package/passwordless
https://www.nanotutoriales.com/como-crear-publicar-y-distribuir-un-paquete-de-node-js
https://www.npmjs.com/package/express-sanitizer
https://github.com/NarrativeScience/Log.io
https://www.kevinleary.net/regex-route-express/
https://medium.com/factory-mind/regex-tutorial-a-simple-cheatsheet-by-examples-649dc1c3f285