To compile the frontend assets, you need to have [nodejs](https://nodejs.org/en/) >= 8.x and [yarn](https://yarnpkg.com/en/) installed. If you are on Debian stretch, you can easily install an up to date nodejs from the [stretch-backports](https://backports.debian.org/Instructions/) repository.
To compile the frontend assets, you need to have [nodejs](https://nodejs.org/en/) >= 8.9.0 and [yarn](https://yarnpkg.com/en/) installed. If you are on Debian stretch, you can easily install an up to date nodejs from the [stretch-backports](https://backports.debian.org/Instructions/) repository.
Packages for yarn can be installed by following [these instructions](https://yarnpkg.com/en/docs/install#debian-stable).
Alternatively, you can install yarn with `npm install yarn`, and add `YARN=node_modules/yarn/bin/yarn` as argument whenever you run `make`.