• Why is Cloudinary required?

Note: I wouldn't say required exactly, but why I've chosen this service.

Basically, Cloudinary allows you to easily upload images to the cloud and automate smart manipulation.

• What is the server-side part used for besides hosting?

it is possible to see just a simple image upload preset

To understand better, let's see how the Cloudinary services work:

Basically, the user uploads an image and requests the Cloudinary service on the browser. Then, It is converted into a dynamic URL. With that, I'm able to:

1. Optimize and handle a very high rate of uploads, downloads, and complex image transformations
2. Store and manage it in a high-performance, supporting fast upload, and download rates.
3. Access with security (HTTPS)

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I wish I could tell more! But it's part of the next Edite features. I hope you understand 😊

Note: If it still not answering your questions, feel free to ask again.