This image will run an OpenVPN instance in Docker
to start a new instance:
$ cp ca-details.example ca-details
$ vi ca-details
...
$ docker-compose run --rm openvpn init
$ docker-compose up -d
to add a user:
$ docker-compose run --rm openvpn client <clientname>
You can find the client config in client-configs/files/<clientname>.ovpn.