Image Processing App - Backend (API)

Pre-reqs

• Install Node.js

Run on your local

• Clone the repository git clone https://github.com/salmantec/Image-Processing-API.git
• Install dependencies cd Image-Processing-API and npm install
• Run npm run start
• Navigate to http://localhost:5000/api to check express server is working or not.
• You'll see the following message as a response Main api route

To run test cases

• Run npm run test

Build the project

• Run npm run build
• Once build is done, to start the app run node dist/index.js

Prettier and lint

• Run npm run lint - to check the linting errors
• Run npm run prettier - It'll automatically prettify the codes.

To test the application

• Add few images (in .jpg format) under public/fullImages
• Start the application
• Hit the localhost:5000/api/images?filename=fjord&width=200&height=200 URL from your browser. Here filename, width and height are mandatory query parameters
• You will get the resized image based on the width and height that you've added in the url.
• You can see that resized images under public/thumbImages.
• If you pass the same image name with same width and height, server will serve the images from public/thumbImages instead of resizing the images every time.