I'm using express vhost behind a reverse proxy and i want to use this module based on the x-forwarded-host header as opposed to the host header that is hardcoded here:

https://github.com/expressjs/vhost/blob/12565d1e88ccd089f2f04f05227f636d3aea6111/index.js#L77

Express 4 supports this by accessing req.hostname directly: http://expressjs.com/en/4x/api.html#req.hostname

Express 3 supp

CI could have differents stages to:

• run style
• run tests
• build documentation

with stages, tests will be runned in parallel and CI should be faster to check commits.

see the travis documentation about stages.