Mention container registry in documentation/ REAMDE

docker/README.rst

@@ -6,10 +6,21 @@ OST Docker
   For many docker installations it is required to run docker commands as root. As
   this depends on set up, we skip the ``sudo`` in all commands.
 
+Obtain image from the OST registry
+----------------------------------
+
+OST has its own [container registry](https://git.scicore.unibas.ch/schwede/openstructure/container_registry) inside GitLab. There we try to keep one image for the latest stable version of OST. You can import it by
+
+.. code-block:: bash
+
+  docker pull registry.scicore.unibas.ch/schwede/openstructure:<TAG>
+
+and just start using it without the overhead to build it yourself.
+
+
 Build Docker image
 ------------------
 
-
 In order to build OST image:
 
 .. code-block:: bash

modules/doc/install.rst

@@ -8,8 +8,10 @@ For a simple and portable way to use OpenStructure we recommend using a
 container solution. We provide recipes to build images for
 `Docker <https://www.docker.com/>`_ and
 `Singularity <https://sylabs.io/singularity/>`_.
-The latest recipes and instructions can be found on our GitLab site
-(`Docker instructions`_ and `Singularity instructions`_).
+The latest recipes and instructions can be found on our
+`GitLab site <https://git.scicore.unibas.ch/schwede/openstructure/>`_, including
+a link to OpenStructure's own `GitLab Docker registry <https://git.scicore.unibas.ch/schwede/openstructure/container_registry>`_ (`Docker instructions`_ and
+`Singularity instructions`_).
 
 If you wish to compile OpenStructure outside of a container, you need to follow
 the steps which we describe in detail below. In essence, these steps are: