Added XPRA

Dockerfile

@@ -14,6 +14,19 @@ RUN pip install --upgrade jupyterlab
 RUN pip install jupyterlab-git==0.34.0
 RUN pip install jupyterlab-gitlab==3.0.0
 
+# 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 for -> ewirtsch
 RUN pip install pandaSDMX==1.6.0
 RUN pip install plotly==5.4.0