Install jupyter-dash directly from github soruces.

- https://github.com/plotly/jupyter-dash
- Latest version fixes a bug for hot reloading of a notebook - plotly/jupyter-dash#108

Dockerfile

@@ -36,7 +36,6 @@ RUN pip install --upgrade pip && \
     'python-lsp-server[all]' \
     jupyterlab-git \
     jupyterlab-spreadsheet-editor \
-    jupyter-dash \
     lckr-jupyterlab-variableinspector
 
 # from plotly documentation: install jupyter-dash
@@ -49,6 +48,18 @@ RUN pip3 install --upgrade pip && \
     apt-get update && \
     apt-get install -y pandoc
 
+# install jupyter-dash from repo - https://github.com/plotly/jupyter-dash
+WORKDIR /home/jupyter-dash
+RUN git clone https://github.com/plotly/jupyter-dash.git
+WORKDIR jupyter-dash
+RUN pip3 install -r requirements.txt -r requirements-dev.txt && \
+    pip3 install -e . a && \
+    jupyter nbextension install --sys-prefix --symlink --py jupyter_dash && \
+    jupyter nbextension enable --py jupyter_dash && \
+    jupyter labextension link extensions/jupyterlab && \
+    python setup.py build_js
+
+
 RUN jupyter labextension install jupyterlab-filesystem-access && \
     jupyter labextension install jupyterlab-spreadsheet && \
     jupyter lab build

README.md

@@ -6,6 +6,8 @@
 
 **This Docker container runs as root user!** It can be helpful when e.g. the popular jupyter/datascience-notebook image does not work because it runs as Jovyan user. 
 
+This docker container installs jupyter-dash directly from the github sources.
+
 Additional packages can be installed on creation of container by adding to requirements.txt.
 
 Changed base url to make operation behind appache reverse proxy easier: http://localhost:8888/jupyter