How to forward traffic in docker?

Question

linux

Hello everyone
, there is such a task: you need to cling to the application to a remote host, but through the vpn client (openconnect). the implementation is such that it is not possible to connect by another client or by certificates. there is a wish to make a sheaf application the client means of a docker. Accordingly, there is a docker container for the vpn client (vimagick / openconnect) and a docker container for the application. question - how to forward traffic from the container with the application to the container with the client?
I tried to create a network and connect them to the same network, but it does not take off

docker network create vpn-client
docker run -p 9090:9090 --network=vpn-client 6d51b6be9afb vpn-client-container
docker run -p 9090:9090 --network=vpn-client 6d51b6be9afb awsemo-app

Answer 1

The simplest solution:

docker run -p 9090:9090 --network=container:vpn-client-container 6d51b6be9afb awsemo-app

- both containers will use the same network stack and the same IP.