var gm = require('gm');

gm('/path/to/image.jpg')
  .resize(353, 257) // use your own width and height
  .autoOrient()
  .write(writeStream, function (err) {
    if (!err) console.log(' hooray! ');
  });

var gm = require('gm');

gm('/path/to/image.jpg')
  .resize(353, 257) // use your own width and height
  .autoOrient()
  .write(writeStream, function (err) {
    if (!err) console.log(' hooray! ');
  });