Merge branch...

Merge branch '2021-04-23T14.04.01-Branched_from_master-Add_HOME_environment_to_Jupyter' into 'master'

Add a HOME environment variable for Jupyter

See merge request !19

docker-compose/jupyter/Dockerfile

@@ -25,3 +25,7 @@ ENV TINI_VERSION v0.6.0
 ENV JUPYTER_RUNTIME_DIR=/tmp
 ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /usr/bin/tini
 RUN sudo chmod +x /usr/bin/tini
+
+# Make sure Jupyter can write to the home directory
+ENV HOME=/home/tango
+RUN chmod a+rwx /home/tango