http-proxy using nextTick to perform task before proxy

httpproxy.js

var httpProxy = require('http-proxy');
var http = require('http');

var config = {
    "silent": false,
    "router": {
        "svc.honshuu.dev/alerts/": "alerts.honshuu.dev",
        "svc.honshuu.dev/cloud/": "cloud.honshuu.dev:8088",
        "svc.honshuu.dev/inventory/": "inventory.honshuu.dev",
        "svc.honshuu.dev/users/": "users.honshuu.dev",
        "svc.honshuu.dev/metrics/": "metrics-svc",
        "svc.honshuu.dev/notifications/": "notifications.honshuu.dev"
    },
    "changeOrigin": true
};
var proxy = new httpProxy.RoutingProxy(config);
var app = http.createServer();
var server = app.listen(8089, '127.0.0.1');

var task = function(request, response, next) {
    // Do something like insert data from Mongo
    console.log('Running task..');
    next();
}

server.on('request', function(request, response) {
    var next = function() {
        console.log('Proxying request..');
        proxy.proxyRequest(request, response);
    };
    console.log('Queueing task..');
    process.nextTick(function() { task(request, response, next); });
});