Can we use Jupyter server proxy to proxy things on named network?

README.md

Jupyter server proxy in a docker-compose network

Can we use Jupyter server proxy running in a Jupyter notebook container to proxy a connection from another docker-compose connected container on the same (named) Docker network?

Can we avoid a start command if the server is already running in the connected container?

docker-compose.yml

version: '3.5'

services:
  refine:
    container_name: refine_container
    image: psychemedia/openrefinedemo
    ports:
      - "3333:3333"
    networks:
      - jupyternet
    restart: unless-stopped

  jupyter:
    container_name: refine_jupyter_notebook_container
    #image: jupyter/minimal-notebook
    build: ./
    environment:
      JUPYTER_TOKEN: 'letmein'
    ports:
      - "80:8888"
    networks:
      - jupyternet
    volumes:
      - ./jupyter_notebook_config.py:/home/jovyan/.jupyter/jupyter_notebook_config.py
    restart: unless-stopped

networks:
  jupyternet:
    driver: bridge
    
volumes:
  jupyter:

Dockerfile

FROM jupyter/minimal-notebook

RUN pip --no-cache install git+https://github.com/jupyterhub/jupyter-server-proxy

jupyter_notebook_config.py

# Traitlet configuration file for jupyter-notebook.
 
c.ServerProxy.servers = {
    'openrefine': {
        #I donlt need a command, server is already running?
        #'command': ['/home/jovyan/.openrefine/openrefine-2.8/refine', '-p', '{port}','-d','/home/jovyan/openrefine'],
        #Can we specify network: http://refine_container
        'port': 3333,
        'timeout': 120,
        'launcher_entry': {
            'title': 'OpenRefine'
        },
    },
}