try to fix the extra launcher buttons

Author: eeholmes

images/aomlomics-jh/Dockerfile

@@ -14,6 +14,12 @@ RUN echo "Creating ${NB_USER} user..." \
     # Make sure that /opt (where conda lives) is owned by non-root user, so we can install things there
     && chown -R ${NB_USER}:${NB_USER} /opt
 
+# Copy jupyter_notebook_config.py /etc/jupyter so
+# it will be read by jupyter processes when they start. This feature is
+# not available in repo2docker.
+RUN mkdir -p /etc/jupyter \
+    && cp jupyter_notebook_config.py /etc/jupyter
+
 USER ${NB_USER} 
 
 # add the packages needed for jupyterhubs to the base environment

images/aomlomics-jh/jupyter_notebook_config.py

@@ -0,0 +1,6 @@
+# from https://github.com/pangeo-data/pangeo-docker-images/blob/master/pangeo-notebook
+import os
+
+# Configure nb_conda_kernels to avoid registering jupyter kernels in our conda
+# environment again. 
+c.CondaKernelSpecManager.env_filter = f'.*envs/{os.environ["CONDA_ENV"]}.*'