Simple server listing docker containers with exposed ports as links on all network interfaces. Works with Python 3; `pip install flask` is required.

list_docker_containers.py

#!/usr/bin/env python3
# flask is required - install with `pip install flask`

import sys
import subprocess
from flask import Flask


if len(sys.argv) < 2:
    print("Usage: %s <public ip>" % sys.argv[0])
    sys.exit(0)

public_ip = sys.argv[1]


app = Flask(__name__)


def get_containers_ports():
    containers_data = {}

    output = subprocess.check_output(['docker', 'ps', '--format', '{{.Image}} {{.Ports}}'])
    *lines, _empty = output.split(b'\n')

    for line in lines:
        print(repr(line))
        image_name, ports = line.split(b' ')

        # ports example: 0.0.0.0:6666->8080/tcp
        # getting exposed port (here 6666)
        exposed_port = int(ports[ports.index(b':')+1:ports.index(b'-')])

        containers_data[image_name] = exposed_port

    return containers_data
    

# Maps img name to additional url path (after /)
additional_url = {
    'intercept_me': 'intercept-me'
}

@app.route('/')
def main():
    html = ''

    for img_name, port in get_containers_ports().items():
        name = img_name.decode('ascii')
        additional = additional_url.get(name, '')

        addr = 'http://{ip}:{port}/{additional}'.format(ip=public_ip, port=port, additional=additional)
        html += '<a href="{addr}">{name} - {addr} </a><br/>'.format(addr=addr, name=name)

    return html


app.run('0.0.0.0', 80)#, debug=True)