Is a simple data file storgage. It stores files according to a key and can retrieve them with the same key again.
npm install garage
var garage = require("garage");
var storeage = new garage("./path/to/your/storage");
storeage.put('key','data', function(err){
// ... file stored
});
storeage.get('key', function(err, data){
// ... file retrieved
});