index.js
function reqToAppName(req) {
  var targetName = null;
  try {
    targetName = req.url.split('/').pop();
  } catch (e) {}
  return targetName || null;
}
function reqToAppName(req) {
  var targetName = null;
  try {
    targetName = req.url.split('/').pop();
  } catch (e) {}
  return targetName || null;
}
function reqToAppName ( req ) { var targetName = null ; try { targetName = req . url . split ( '/' ) . pop ( ) ; } catch ( e ) { } return targetName || null ; }
Given a request, returns the name of the target App.

Example:
Call to 34.23.34.54:3000/api-2
Will return 'api-2'

@param req The request to be analysed
@returns {string|null} The name of the app, or null if not found.
Given a request returns the name of the target App .