runit's run script for JupyterHub

run.sh

#!/usr/bin/env bash

set -e
set -x

JUPYTERHUB_HOME="/srv/jupyterhub"

shopt -s nullglob
for node_module_bin in "${JUPYTERHUB_HOME}/current/node_modules/"*"/bin"; do
  PATH="${node_module_bin}:${PATH}"
done
shopt -u nullglob

export HOME="${JUPYTERHUB_HOME}"
export PATH="${JUPYTERHUB_HOME}/current/bin:${PATH}"
export VIRTUAL_ENV="${JUPYTERHUB_HOME}/current"

# SSL encryption
SSL_CERTIFICATE_FILE="/etc/letsencrypt/live/acme.example.com/fullchain.pem"
SSL_CERTIFICATE_KEY_FILE="/etc/letsencrypt/live/acme.example.com/privkey.pem"

# Cookie secret
export JPY_COOKIE_SECRET="$(openssl rand -hex 1024)"

# Proxy authentication token
export CONFIGPROXY_AUTH_TOKEN="$(openssl rand -hex 32)"

exec 2>&1
exec jupyterhub --debug --ssl-cert="${SSL_CERTIFICATE_FILE}" --db="${JUPYTERHUB_HOME}/shared/jupyterhub.sqlite" --config="${JUPYTERHUB_HOME}/shared/jupyterhub_config.py" --ssl-key="${SSL_CERTIFICATE_KEY_FILE}" --ip=0.0.0.0 --port=443