jupyterhub_config.py

import pwd
import grp

from dockerspawner import SystemUserSpawner

class SystemGroupSpawner(SystemUserSpawner):

    # local unix groups a user might be a member of
    groups = ['admin']

    def get_env(self):
        env = super().get_env()
        # don't set USER env, which SystemUserSpawner uses.
        env.pop('USER',  None)
        # set notebook UID
        env['NB_UID'] = self.user_id
        for groupname in self.groups:
            group = grp.getgrnam(groupname)
            # find the first group in our group list that the user is a member of,
            # and set the group id
            if self.user.name in group.gr_mem:
                env['NB_GID'] = group.gr_gid
        return env

# Select our custom Spawner
c.JupyterHub.spawner_class = SystemGroupSpawner
# Select one of the docker-stacks (https://github.com/jupyter/docker-stacks)
c.SystemGroupSpawner.container_image = 'jupyter/base-notebook'

# must start container as root in order for docker-stacks to set up NB_UID / NB_GID correctly
c.SystemGroupSpawner.extra_create_kwargs = {'user': 'root'}

# This line should be redundant with above,
# but there's a bug in docker-stacks assuming $UID is the user id
# BUG: https://github.com/jupyter/docker-stacks/pull/420
c.SystemGroupSpawner.environment = {'UID': '0'}



# networking stuff below here (yours may differ)
import netifaces
docker_ip = netifaces.ifaddresses('en0')[netifaces.AF_INET][0]['addr']
c.JupyterHub.hub_ip = docker_ip
c.SystemGroupSpawner.hub_connect_ip = docker_ip

c.SystemGroupSpawner.host_homedir_format_string = '/tmp/{username}'