Fix permissions when host mounting SSL cert/key

Prevent docker from creating the
~/.local/share/jupyter directory as rw for root
only. Otherwise notebook can’t create runtime/
and other import subduers

(c) Copyright IBM Corp. 2016

base-notebook/Dockerfile

@@ -49,7 +49,7 @@ USER jovyan
 # Setup jovyan home directory
 RUN mkdir /home/$NB_USER/work && \
     mkdir /home/$NB_USER/.jupyter && \
-    mkdir /home/$NB_USER/.local && \
+    mkdir -p -m 700 /home/$NB_USER/.local/share/jupyter && \
     echo "cacert=/etc/ssl/certs/ca-certificates.crt" > /home/$NB_USER/.curlrc
 
 # Install conda as jovyan