gateway.js

app.all('/v1/*', (req, res) => {
  request[req.method.toLowerCase()]({
    url: config.ApiServer+req.url,
    headers: {
      'Authorization': req.headers['authorization'],
      'Content-Type': req.headers['content-type']
    },
    qs: req.query,
    json: req.body
  }, (err, response, body) => {
    res.status(response.statusCode).send(body);
  });
});