index.js

// Batch curl for Prerender caching service
var config = require('./config.js');
var recacheUrls = require('./recache_urls.js');
var curl = require('curlrequest');

var options = {};

if (recacheUrls && recacheUrls.length > 0) {
    console.log('Recache ' + recacheUrls.length + ' URLs');
    options.url = 'http://api.prerender.io/recache';
    options.headers = config.headers;
    options.data =  config.data;

    recacheUrls.forEach(function(url){
        var cloneOptions = JSON.parse(JSON.stringify(options));
        cloneOptions.data.url = url;
        curl.request(cloneOptions, function (err, data) {
            if (err) {
                console.error('Error: ', cloneOptions.data.url, err);
            } else if (data){
                console.log(data, cloneOptions.data.url);
            }
        });
    });
} else {
    console.log('No URLs to recache. Check recache_urls.js');
}