JupyterHub with Podman and DockerSpawner: Immediate 'JupyterLab Server Unavailable' Error on Login, Resolved by Refresh

JupyterHub
,
4

This minimal config is working for me:

# jupyterhub_config_podman.py

c.JupyterHub.spawner_class = "docker"
c.JupyterHub.authenticator_class = "dummy"
c.Authenticator.admin_users = {'demo'}

c.DockerSpawner.image = "quay.io/jupyter/base-notebook:latest"

import socket
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(("8.8.8.8", 80))
c.JupyterHub.hub_ip = s.getsockname()[0]
s.close()

c.ConfigurableHTTPProxy.debug = True

Podman command:
podman system service -t0 --log-level=debug

JupyterHub command:
DOCKER_HOST=unix://$XDG_RUNTIME_DIR/podman/podman.sock jupyterhub --config jupyterhub_config_podman.py --debug

Do you have the same problem with this config?