setup.sh

#!/bin/bash

[ -d home ] || mkdir home
[ -d keys ] || mkdir keys

## Self-signed certificates can be generated according to
## https://jupyter-notebook.readthedocs.io/en/stable/public_server.html#using-ssl-for-encrypted-communication

openssl req -x509 -nodes \
    -days 365 \
    -newkey rsa:2048 \
    -keyout keys/mykey.key \
    -out keys/mycert.pem \
    -subj "/C=US/ST=A/L=B/O=C/OU=D/CN=F"

## The binary at ucsb.box.com (created using pyinstaller) hashes a password according to
## https://jupyter-notebook.readthedocs.io/en/stable/public_server.html#preparing-a-hashed-password

wget -nc https://ucsb.box.com/shared/static/0g291d3aw5fpl0j7j02kyrnm3zuutaqu \
    -O hash_password && \
    chmod u+x hash_password

# https://github.com/docker/compose/issues/4223#issuecomment-280077263
# https://docs.docker.com/compose/environment-variables/

cat <<EOF > .env
## generated by setup.sh
## compose variables 

IMAGE=base-scipy-rstudio
HOST_DIR=${PWD}/home
CERT_DIR=${PWD}/keys
PASSWD=$(./hash_password)
DOCKER_ORG=syoh/
EOF

cat <<EOF > env_file
## generated by setup.sh
## container instance variables
## i.e. environment section in docker-compose.yml

NB_UID=$(id -u)
NB_GID=$(id -g)
JUPYTER_ENABLE_LAB=yes
GRANT_SUDO=yes
## CHOWN_EXTRA='/opt/conda'
## CHOWN_EXTRA_OPTS='-R'
EOF