feat: skip git user config setup on the image

the script is created and called on container startup, to separate the base image itself from the jupyterhub service configuration as much as possible

base/Dockerfile

@@ -71,10 +71,6 @@ RUN echo "* - core 0" >> /etc/security/limits.conf
 # allow the script to fail (because of symlinks) without failing the build (TODO: fix)
 RUN sed -i 's/set -e/set +e/' $(which fix-permissions)
 
-# copy user setup file
-COPY base/user_setup.sh /opt/app-root/etc/
-RUN chmod +x /opt/app-root/etc/user_setup.sh
-
 RUN fix-permissions /opt/app-root/ && \
     fix-permissions /tmp/cache/ && \
     fix-permissions /opt/conda/share/jupyter/ && \

base/user_setup.sh

-# user setup script
-# set git config
-if [ ! "$(git config --get user.name)" ]
-then
-    git config --global --add user.name "${JUPYTERHUB_USER}"
-fi
-if [ ! "$(git config --get user.email)" ]
-then
-    git config --global --add user.email "${JUPYTERHUB_USER_EMAIL}"
-fi