var redis = require('redis');

var config = {
    rhost: 'subdomain.redistogo.com', //change your subdomain
    rport: 0000, //change 0000 for your port
    rauth: 'yourlongmd5string' //change this for your auth key
};

var db = redis.createClient(config.rport, config.rhost);

db.auth(config.rauth, function(err, reply) {
    console.log(reply);

    db.get('foo', function(err, reply) {
        console.log(reply);
    });
});

db.on('error', function(err) {
    console.log(err);
    db.end();
});