Update Dockerfile

Dockerfile

@@ -5,26 +5,12 @@ USER root
 RUN apt-get update -y
 RUN apt-get install -y git
 
-# Install XPRA
-RUN apt-get install -y gnupg2 apt-transport-https software-properties-common apt-utils mc
-RUN apt-get install -y yaru-theme-gnome-shell yaru-theme-gtk yaru-theme-icon
-RUN apt-get install -y ca-certificates
-RUN wget -q https://xpra.org/gpg.asc -O- | sudo apt-key add -
-RUN add-apt-repository "deb https://xpra.org/ focal main"
-RUN apt-get update -y
-RUN apt-get install -y xpra
-RUN pip install git+https://git.fh-muenster.de/sr151511/xprahtml.git
-RUN apt-get install -y lightdm
-#RUN rm -rf /usr/share/applications
-#RUN mkdir /usr/share/applications
-
-
 # Install basics
 USER jovyan
 RUN pip3 install --upgrade pip
 
 # Install 'nice to have lab extensions'
 RUN pip install --upgrade jupyterlab
-#RUN pip install jupyterlab-git==0.34.0
-#RUN pip install jupyterlab-gitlab==3.0.0
+RUN pip install jupyterlab-git==0.34.0
+RUN pip install jupyterlab-gitlab==3.0.0