Ensure anything under $HOME is always writable to group.

all-spark-notebook/Dockerfile

@@ -29,17 +29,22 @@ RUN conda install --quiet --yes \
     'r-sparklyr=0.5*' \
     'r-rcurl=1.95*' && \
     conda clean -tipsy && \
-    fix-permissions $CONDA_DIR
+    fix-permissions $CONDA_DIR && \
+    fix-permissions /home/$NB_USER
 
 # Apache Toree kernel
 RUN pip install --no-cache-dir \
     https://dist.apache.org/repos/dist/dev/incubator/toree/0.2.0/snapshots/dev1/toree-pip/toree-0.2.0.dev1.tar.gz \
     && \
     jupyter toree install --sys-prefix && \
-    fix-permissions $CONDA_DIR
+    rm -rf /home/$NB_USER/.local && \
+    fix-permissions $CONDA_DIR && \
+    fix-permissions /home/$NB_USER
 
 # Spylon-kernel
 RUN conda install --quiet --yes 'spylon-kernel=0.4*' && \
     conda clean -tipsy && \
     python -m spylon_kernel install --sys-prefix && \
-    fix-permissions $CONDA_DIR
+    rm -rf /home/$NB_USER/.local && \
+    fix-permissions $CONDA_DIR && \
+    fix-permissions /home/$NB_USER

base-notebook/Dockerfile

@@ -71,7 +71,9 @@ RUN cd /tmp && \
     $CONDA_DIR/bin/conda config --system --set show_channel_urls true && \
     $CONDA_DIR/bin/conda update --all --quiet --yes && \
     conda clean -tipsy && \
-    fix-permissions $CONDA_DIR
+    rm -rf /home/$NB_USER/.cache/yarn && \
+    fix-permissions $CONDA_DIR && \
+    fix-permissions /home/$NB_USER
 
 # Install Jupyter Notebook and Hub
 RUN conda install --quiet --yes \
@@ -82,7 +84,9 @@ RUN conda install --quiet --yes \
     jupyter labextension install @jupyterlab/hub-extension@^0.8.0 && \
     npm cache clean && \
     rm -rf $CONDA_DIR/share/jupyter/lab/staging && \
-    fix-permissions $CONDA_DIR
+    rm -rf /home/$NB_USER/.cache/yarn && \
+    fix-permissions $CONDA_DIR && \
+    fix-permissions /home/$NB_USER
 
 USER root
 

datascience-notebook/Dockerfile

@@ -58,7 +58,8 @@ RUN conda config --system --append channels r && \
     'r-crayon=1.3*' \
     'r-randomforest=4.6*' && \
     conda clean -tipsy && \
-    fix-permissions $CONDA_DIR
+    fix-permissions $CONDA_DIR && \
+    fix-permissions /home/$NB_USER
 
 # Add Julia packages
 # Install IJulia as jovyan and then move the kernelspec out

scipy-notebook/Dockerfile

@@ -50,7 +50,10 @@ RUN conda install --quiet --yes \
     jupyter labextension install @jupyter-widgets/jupyterlab-manager@^0.33.1 && \
     npm cache clean && \
     rm -rf $CONDA_DIR/share/jupyter/lab/staging && \
-    fix-permissions $CONDA_DIR
+    rm -rf /home/$NB_USER/.cache/yarn && \
+    rm -rf /home/$NB_USER/.node-gyp && \
+    fix-permissions $CONDA_DIR && \
+    fix-permissions /home/$NB_USER
 
 # Install facets which does not have a pip or conda package at the moment
 RUN cd /tmp && \
@@ -58,7 +61,8 @@ RUN cd /tmp && \
     cd facets && \
     jupyter nbextension install facets-dist/ --sys-prefix && \
     rm -rf facets && \
-    fix-permissions $CONDA_DIR
+    fix-permissions $CONDA_DIR && \
+    fix-permissions /home/$NB_USER
 
 # Import matplotlib the first time to build the font cache.
 ENV XDG_CACHE_HOME /home/$NB_USER/.cache/

tensorflow-notebook/Dockerfile

@@ -9,4 +9,5 @@ RUN conda install --quiet --yes \
     'tensorflow=1.3*' \
     'keras=2.0*' && \
     conda clean -tipsy && \
-    fix-permissions $CONDA_DIR
+    fix-permissions $CONDA_DIR && \
+    fix-permissions /home/$NB_USER