Added config volume

jupyter/build/base/start-notebook.sh

@@ -4,10 +4,6 @@
 
 set -e
 
-# The Jupyter command to launch
-# JupyterLab by default
-DOCKER_STACKS_JUPYTER_CMD="${DOCKER_STACKS_JUPYTER_CMD:=lab}"
-
 if [[ -n "${JUPYTERHUB_API_TOKEN}" ]]; then
 	echo "WARNING: using start-singleuser.sh instead of start-notebook.sh to start a server associated with JupyterHub."
 	exec /usr/local/bin/start-singleuser.sh "$@"
@@ -18,4 +14,8 @@ if [[ "${RESTARTABLE}" == "yes" ]]; then
 	wrapper=""
 fi
 
-exec /usr/local/bin/start.sh ${wrapper} jupyter ${DOCKER_STACKS_JUPYTER_CMD} ${NOTEBOOK_ARGS} "$@"
+if [ ! -f /home/${NB_USER}/.jupyter/jupyter_notebook_config.py ]; then
+	jupyter notebook --generate-config
+fi
+
+exec /usr/local/bin/start.sh ${wrapper} jupyter lab ${NOTEBOOK_ARGS} "$@"