Merge remote-tracking branch 'origin/master'

README.md

@@ -25,7 +25,7 @@ Additional information about the internals of *tyler* you will find in the [desi
 ## Installation
 
 For the time being, *tyler* depends on the [geoflow-bundle](https://github.com/geoflow3d/geoflow-bundle) for converting CityJSONFeatures to glTF.
-Unless you want to install the *geoflow-bundle* yourself, we strongly recommend to use the provided docker image for running *tyler*, because it contains the *geoflow-bundle*.
+Unless you want to install the *geoflow-bundle* yourself, we strongly recommend to use [the provided docker image](https://hub.docker.com/r/3dgi/tyler) for running *tyler*, because it contains the *geoflow-bundle*.
 
 Pull the docker image with `docker pull 3dgi/tyler:<version>`, e.g. `docker pull 3dgi/tyler:0.3.7`.