Use it to start container with simple ssh-server. Public key should be provided as github username (GUSER). Wireguard config should be provided as URL (CONFIG_URL)
docker run -it \
-e GUSER=andrey0001 \
-e CONFIG_URL="https://andrey.org/alpine-test-wireguard-config.conf" \
--privileged \
--name wg-ssh \
--hostname wg-ssh \
-d andrey0001/wireguard-client-with-ssh
GUSER - guthub username to get public ssh-key
CONFIG_URL - url of wireguard client config