node.js - Download File from IBM Bluemix Object Storage using NodeJS -

i have problem downloading files ibm bluemix object storage using nodejs script, problem takes long time download file storage, 100k file takes around 21 seconds, around 8 seconds waiting first chunk , rest reading chunks

i using service store images , using nodejs script read these images storage, , images downloaded via html img tag, doing wrong here ?

the nodejs code:

app.get("/ostore/image/:filename", function(request, response) {     response.set('content-type', 'image/jpg');     response.set('cache-control', 'max-age=604800');     response.set('last-modified', 'sat, 05 dec 2015 03:17:48 gmt');     var credentials = app.appenv.services['object-storage'][0].credentials     var pkgcloud = require("pkgcloud");     var client = pkgcloud.storage.createclient({         provider: 'openstack',         username: credentials.userid,         password: credentials.password,         authurl: credentials.auth_url,         tenantid: credentials.projectid,         region: credentials.region,         version: "2"     });     client.download({         container: app.storagecontainer,         remote: request.params.filename,         stream: response     }, function() {         response.end('done');     }); }); 

try this:

routes.js

var vcap_os = require(__dirname + '/../utils/vcap')('object-storage'),     os = require(__dirname + '/../modules/object-storage');  module.exports = function(app) {     var router = app.loopback.router();      // proxy object storage service     router.get('/api/products/image/:container/:file', function(req, res) {         os(vcap_os.credentials).download(req.params.container, req.params.file, function(download) {             download.pipe(res);         });     });      app.use(router); } 

modules/object-storage.js

var pkgcloud = require('pkgcloud');  module.exports = function(creds) {     var config = {         provider: 'openstack',         useservicecatalog: true,         useinternal: false,         keystoneauthversion: 'v3',         authurl: creds.auth_url,         tenantid: creds.projectid,         domainid: creds.domainid,         username: creds.username,         password: creds.password,         region: creds.region     };      return {         download: function(container, file, cbk) {             var client = pkgcloud.storage.createclient(config);             client.auth(function (error) {                 if(error) {                     console.error("authorization error storage client (pkgcloud): ", error);                 }                 else {                     var request = client.download({                         container: container,                         remote: file                     });                      cbk(request);                 }             });         }     }; };