SSH port forwarding in Docker

Question

I have these two containers, say backend (CentOs) and mongo. What I would like to have is that from within the backend container I can con

Answer 1

I found the correct SSH port forwarding command

$> ssh root@mongo -L 27017:localhost:27017 -Nf

Normally the idea with this command is that you map a non-public port - through a public server to you own server/compute.

* `root@mongo` - the public server
* -L ::
* `-Nf` - Do not login

Because the public server and third server are the same computer/container you have to use localhost :)