nodejs watermark image

1//Install
2npm install imaginary --save
3
4//Import 
5var fs = require('fs')
6var imaginary = require('imaginary')
7var serverUrl = 'localhost:8080'
8
9imaginary('myImage.jpg')
10  .server(serverUrl)
11  .watermark({ text: 'copyright' })
12  .on('error', function (err) {
13    console.error('Cannot resize the image:', err)
14  })
15  .pipe(fs.createWriteStream('markedImage.jpg'))
16