https://github.com/aranajuan/autossh⁠

Example

docker run -it -v YOUR ID_RSA:/root/id_rsa -e REMOTE_HOST=PROXY IP -e REMOTE_USER=PROXY USER -e TUNNEL_ARGS="-R 443:192.168.0.2:443 -R 80:192.168.0.2:80" aranajuan/autossh