JupyterLab specs in repo2docker format

binder/postBuild

+#!/bin/bash
+set -e
+
+jupyter labextension install nbdime-jupyterlab --no-build
+jupyter labextension install @ijmbarr/jupyterlab_spellchecker --no-build
+
+jupyter lab build --dev-build=False --minimize=False -y
+jupyter lab clean -y
+
+jupyter serverextension enable --py nbdime  --sys-prefix
+jupyter serverextension enable --py jupyter_lsp  --sys-prefix
+
+npm cache clean --force
+
+mkdir -p  ~/.jupyter/lab/user-settings/@jupyterlab/notebook-extension/
+echo '{"codeCellConfig": {"lineNumbers": true}, "recordTiming": true}' > ~/.jupyter/lab/user-settings/@jupyterlab/notebook-extension/tracker.jupyterlab-settings

binder/requirements.txt

+jupyterlab
+jupyterlab-code-formatter
+jupyterlab-execute-time
+jupyterlab-lsp
+jupyterlab-topbar
+jupyterlab-widgets
+jupyter-offlinenotebook
+matplotlib
+nbdime
+seaborn
+scikit-learn
+pandas
+python-language-server
+# pillow
+# pydot
+# python-graphviz

binder/runtime.txt

+python-3.9