Temp gist for finding out how to conda activate in binder

environment.yml

name: deepbedmap
channels:
  - conda-forge
  - nodefaults
dependencies:
  - python=3.6.6

postBuild

#!/bin/bash
source activate root
pip install pipenv==2018.7.1
export LD_LIBRARY_PATH=$CONDA_PREFIX/lib
pipenv install --python $CONDA_PREFIX/bin/python

pipenv shell
echo $VIRTUAL_ENV
python -m ipykernel install --user --name=`basename $VIRTUAL_ENV`
jupyter kernelspec list --json

https://mybinder.org/v2/gist/weiji14/eb2394ea40897f02d0b341608e552b4c/master