https://dockerswarm.rocks/traefik/

docker network create --driver=overlay traefik-public

export NODE_ID=$(docker info -f '{{.Swarm.NodeID}}')

docker node update --label-add traefik-public.traefik-public-certificates=true $NODE_ID

export EMAIL=admin@example.com

export DOMAIN=traefik.sys.example.com

export USERNAME=admin

export PASSWORD=changethis

export HASHED_PASSWORD=$(openssl passwd -apr1 $PASSWORD)

docker stack deploy -c traefik.yml traefik

docker stack deploy -c whoami.yml whoami