Christian Stocker

Articles by Christian

JWT token based authentication for rokka and more

There are some new released and upcoming features over at rokka.io and we’re excited to tell you about them.

Rokka as IIIF Image Server and some more updates

We constantly improve rokka.io - our image service. We for example recently added IIIF Image API server support for delivering high resolution images and many more things in the last …

Delivering images with next.js and rokka

The built in image component of the react framework next.js makes it possible to include responsive images from rokka in the right size and format with just a few lines of code.

Rokka Storage Adapter for Ghost CMS

There's a new CMS plugin for rokka.io in town, one for JavaScript based ghost A few days ago, I decided to finally update my personal site with something more modern. Maybe even do …

A serverless, lazy loading image gallery with rokka and Vue.js

Vue.js is very popular here at Liip and used more and more. So is our image delivery service rokka.io. We developed some vue components for rokka images, which makes using them …

Speeding up Composer based deployments on AWS Elastic Beanstalk

Some of our applications are deployed to Amazaon Elastic Beanstalk. They are based on PHP, Symfony and of course use composer for downloading their dependencies. This can take a while, …

libvips adapter for PHP Imagine

The VIPS image processing system is a very fast, multi-threaded image processing library with low memory needs. And it really is pretty fast, the perfect thing for rokka and we'll be …

Introducing rokka stack expressions

Stacks in rokka were already a powerful way to abstract away the actual definition of how images should be rendered. It frees up the frontend implementation of knowing what's the best …

Compressing a transparent PNG like a JPEG with rokka got even easier

We took the technique of “simulating” alpha channels in JPEGs with SVG one step further and made it even easier to use with rokka. Now you just have to set the …
Christian Stocker
Software Developer, Co-Founder