fix: jupyterlab runtime volume permissions (#7407)

components/example-notebook-servers/jupyter/Dockerfile

@@ -79,6 +79,9 @@ RUN python3 -m pip install -r /tmp/requirements.txt --quiet --no-cache-dir \
 # s6 - copy scripts
 COPY --chown=${NB_USER}:users --chmod=755 s6/ /etc
 
+# configure - jupyter
+RUN jupyter labextension disable "@jupyterlab/apputils-extension:announcements"
+
 # s6 - 01-copy-tmp-home
 USER root
 RUN mkdir -p /tmp_home \
@@ -86,9 +89,4 @@ RUN mkdir -p /tmp_home \
  && chown -R ${NB_USER}:users /tmp_home
 USER $NB_UID
 
-# generate jupyter config
-RUN jupyter notebook --generate-config \
- && jupyter lab --generate-config \
- && jupyter labextension disable "@jupyterlab/apputils-extension:announcements"
-
 EXPOSE 8888

components/example-notebook-servers/jupyter/s6/services.d/jupyterlab/run

@@ -1,4 +1,9 @@
 #!/command/with-contenv bash
+
+# the runtime directory must be a path that is NOT a persistent volume
+# as volumes often cause permission issues https://github.com/jupyter/notebook/issues/5058
+export JUPYTER_RUNTIME_DIR="/tmp/jupyter_runtime"
+
 cd "${HOME}"
 exec /opt/conda/bin/jupyter lab \
   --notebook-dir="${HOME}" \
@@ -9,5 +14,6 @@ exec /opt/conda/bin/jupyter lab \
   --ServerApp.token="" \
   --ServerApp.password="" \
   --ServerApp.allow_origin="*" \
-  --ServerApp.base_url="${NB_PREFIX}" \
-  --ServerApp.authenticate_prometheus=False
+  --ServerApp.allow_remote_access=True \
+  --ServerApp.authenticate_prometheus=False \
+  --ServerApp.base_url="${NB_PREFIX}"