Dockerfile

FROM ubuntu:22.04
RUN apt-get update && apt-get -y install python3-pip nodejs npm
RUN python3 -m pip install jupyterhub jupyter-server
RUN npm install --global configurable-http-proxy
WORKDIR /tmp
ENV HOME=/tmp
USER 1000
RUN dd if=/dev/random of=10mb.bin bs=1024 count=10240
COPY jupyter_server_config.py /etc/jupyter/jupyter_server_config.py
COPY launch.sh /usr/local/bin/
CMD ["/usr/bin/bash", "/usr/local/bin/launch.sh"]

download.py

"""
download a 10mb file from

Default: assumes container built and run with:

```
docker build -t test .
docker run --rm -it -p9000:9000 -p8000:8000 test
```
"""

import time
import sys
import requests

token = "abcxyz"

def download_file(base_url, filename):
    base_url = base_url.rstrip("/")
    tic = time.perf_counter()
    r = requests.get(base_url + f"/files/{filename}?download=1", headers={"Authorization": f"Bearer {token}"}, allow_redirects=False, stream=True)
    assert r.status_code == 200
    r.raise_for_status()
    print(r.url)
    nbytes = 0
    for chunk in r.iter_content(65535):
        nbytes += len(chunk)
    toc = time.perf_counter()
    MB = nbytes * 1e-6
    MBps = MB / (toc - tic)
    print(f"{MBps:6.1f} MB/s ({MB:.0f}MB) - {base_url}: {filename}")

if __name__ == "__main__":
    if len(sys.argv) > 1:
        host = sys.argv[1]
    else:
        host = "http://127.0.0.1"

    # port 8000 is CHP, 9000 is direct to jupyter-server
    for port in (8000, 9000):
        base_url = f"{host}:{port}"
        for filename in ["10mb.bin"]:
            download_file(base_url, filename)

jupyter_server_config.py

c.ServerApp.token = 'abcxyz'
c.ServerApp.port = 9000
c.ServerApp.ip = "0.0.0.0"

launch.sh

#!/bin/bash

jupyter-server &
exec configurable-http-proxy --default-target http://127.0.0.1:9000