Minor changes w.r.t. Docker

Dockerfile

@@ -2,5 +2,5 @@ ARG BASE_IMAGE=registry.git.rwth-aachen.de/jupyter/profiles/rwth-courses:latest
 FROM ${BASE_IMAGE}
 
 RUN conda install --quiet --yes \
-		'scipy==1.7.1' && \
+	'scipy==1.7.1' && \
 	conda clean --all

README.md

@@ -2,6 +2,7 @@
 
 # Übungsbeispiele zur Vorlesung Grundgebiete der Elektrotechnik 3 – Signale und Systeme
 
+[![RWTHjupyter](https://jupyter.pages.rwth-aachen.de/documentation/images/badge-launch-rwth-jupyter.svg)](https://jupyter.rwth-aachen.de/hub/spawn?profile=gdet3&next=/user-redirect/lab/tree/gdet3%2Findex.ipynb) 
 [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/git/https%3A%2F%2Fgit.rwth-aachen.de%2FIENT%2Fgdet3-demos/master?urlpath=lab/tree/index.ipynb)
 
 ## Introduction
@@ -12,10 +13,10 @@ Visit the notebook [index.ipynb](index.ipynb) for a table of contents.
 
 ## Quick Start
 
-Run the notebooks directly online [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/git/https%3A%2F%2Fgit.rwth-aachen.de%2FIENT%2Fgdet3-demos/master?urlpath=lab/tree/index.ipynb). Please note the following limitations:
+Run the notebooks directly online with either [![RWTHjupyter](https://jupyter.pages.rwth-aachen.de/documentation/images/badge-launch-rwth-jupyter.svg)](https://jupyter.rwth-aachen.de/hub/spawn?profile=gdet3&next=/user-redirect/lab/tree/gdet3%2Findex.ipynb) or [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/git/https%3A%2F%2Fgit.rwth-aachen.de%2FIENT%2Fgdet3-demos/master?urlpath=lab/tree/index.ipynb). Please note the following limitations:
 
 * The starting process of the session may take up to one minute.
-* Please note that the session will be cancelled after 10 minutes of user inactivity.
+* Please note that the Binder session will be cancelled after 10 minutes of user inactivity.
 
 ## Usage
 
@@ -48,14 +49,16 @@ To run the notebooks on your local machine, you may use [Anaconda](https://www.a
 
 ### Docker
 
-For advanced users only: If you happen to have Docker installed, you can start a local dockerized JupyterLab with enabled GDET3-Demos with
+For advanced users only: If you happen to have Docker installed, you can start a local dockerized JupyterLab
 
 ```bash
-docker run --name='gdet3-demos' --rm -it -p 8888:8888 -e JUPYTER_ENABLE_LAB=yes registry.git.rwth-aachen.de/ient/gdet3-demos:master
+git clone --recurse-submodules https://git.rwth-aachen.de/IENT/gdet3-demos.git
+docker run --name='gdet3-demos' --rm -it -p 8888:8888 -v ${pwd}/gdet3-demos:/home/jovyan/work registry.git.rwth-aachen.de/ient/gdet3-demos:master
 ```
 
 Copy and paste the displayed link to your favorite browser.
 
+
 ## Contact
 
 * If you found a bug, please use the [issue tracker](https://git.rwth-aachen.de/IENT/gdet3-demos/issues).