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Image resize and Upload a File to DigitalOcean Object Storage with Node.js

  • Read a local JSON file with live image URLs with id.
  • Upload in few sizes(100x100, 250x250, 500x500) + add watermark.
  • Return uploaded image URL array based on the image size.

Requirements

  • NodeJS.
  • Git.

Common setup

Clone the repo and install the dependencies.

git clone https://github.com/shreyasavaliya/image-resize.nodejs.git

cd the-example-app.nodejs

npm install

Steps for start the script

To start the express server, run the following.

npm start

  • Open http://localhost:3000/ link on your browser and it will display Upload button.

  • Click on Upload button and select your JSON file. below is JSON file format

{"id": "0014", "urls": [ "https://picsum.photos/200/300", "https://picsum.photos/200/300", "https://picsum.photos/200/300" ]}

  • It will display message when ever the script is ended and you will get all uploaded image URLs.

Other Packages

  • I have used multer to upload JSON file.
  • I have used sharp to resize image.
  • I have used jimp to add watermark.