Remove pip cache in root's home directory
MODIFY
repo2docker/buildpacks/conda/install-miniconda.bash
repo2docker/buildpacks/conda/install-miniconda.bash
@@ -73,6 +73,8 @@ rm -rf /srv/conda/pkgs
# Remove the big installer so we don't increase docker image size too much
rm ${INSTALLER_PATH}
+# Remove pip cache created as part of installing miniconda
+rm -rf /root/.cache
chown -R $NB_USER:$NB_USER ${CONDA_DIR}

Remove pip cache in root's home directory