Deploy is the functionality of distributing container copies to slaves.
As well as creating the network overlay and service required.
$ docker stack deploy --compose-file docker-compose.yml jlar
Creating network jlar_overlay
Creating service jlar_db
Creating service jlar_wordpress
Creating service jlar_phpmyadmin
See a graphical representation in Portainer.
Official documentation:
https://docs.docker.com/engine/reference/commandline/stack_deploy/