Using Cloudinary and Storyblok to Handle Assets for a Vue.js Application

In one of my recent articles, we took a closer look at how to build websites with the Headless CMS Storyblok and Vue.js. In this article we‘ll learn how we can combine the awesome digital asset management platform Cloudinary with the power of Storyblok to automatically handle image optimazation for us. We‘ll also explore how we can use the additional data, like the dominant color or the aspect ratio of an image, provided by the Storyblok Cloudinary Assets plugin, to implement enhanced image lazy loading.

Dominant color is shown as a placeholder while loading images

You can find a demo of the result hosted on Netlify and you can take a look at the code at GitHub.

Installing Storyblok Cloudinary Assets

Storyblok Cloudinary Assets is a custom field type plugin for the headless CMS Storyblok. In order to use it, we have to build and install it first. You can do this by cloning the Storyblok Cloudinary Assets plugin Git repository and then run the build command and copy and paste the generated code into Storyblok when it’s done.

git clone
cd storyblok-cloudinary-assets
npm install
npm run build

The build script generates the dist/export.js file. You can copy all the code in the file and paste it into a new custom Storyblok field type plugin which you can create in the Storyblok UI. To do this, go to the Plugins page and click the New button in the top right.

Creating a new plugin in Storyblok

It is important to name your new custom field type plugin cloudinary-assets, otherwise it won’t work correctly. Next you can see the Storyblok plugin editor. Replace the demo code with the contents of dist/export.js. After publishing your newly created plugin, you’re able to select it as the custom type of your fields.

The Storyblok UI for creating a new plugin

Usage in Storyblok

After you’ve configured one of your fields to use the Cloudinary Assets plugin as its field type, you’re ready to add assets to your stories via Cloudinary.

You have to configure the field options correctly

It is important to configure the plugin options correctly. You can find the apiKey and the cloudName in your Cloudinary account settings. The maxFiles option is optional, you can use it to limit the max files a user is allowed to add.

The Cloudinary media library overlay in Storyblok

A dominant color is determined automatically for each image

As you can see in the screenshot above, there is a hex color associated with the images. This is the dominant color of the image. Let’s take a look at how we can use this information to enhance the perceived performance of lazy loaded images.

Usage in Vue.js

I’ve already written a dedicated article about the topic of lazy loading images with Vue.js. We can reuse the AppImage component we’ve built in the previous article.

  :height="300 / image.aspect_ratio"
  :lazy-srcset="`,f_auto,g_center,q_auto,w_600/${} 2x`"

The final result

You can take a look at the full code at GitHub and you can see a demo of this hosted on Netlify.

Wrapping it up

Cloudinary provides us with a lot of awesome features to reduce the load time of images. It automatically optimizes not only the quality of your images, but also in which format the images are delivered to the browser. Browsers which do support webp for example, get images in this very efficient format, which can dramatically decrease the load time of your images.

By integrating Storyblok with Cloudinary, you get the best of two worlds: automatic image optimization with Cloudinary and the flexibility of the headless CMS Storyblok.

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