48. Docker Overlay Network
docker network create --driver overlay --attachable myoverlaynet
docker network ls
docker network inspect myoverlaynet
docker service create -d --name mynginxoverlay --network myoverlaynet --replicas 3 -p 8080:80 nginx
docker service ls
docker service ps mynginxoverlay
docker container inspect [container ID] | grep IPAddress
docker exec -it [Container ID] /bin/bash
docker service create -d --name mybusyboxoverlay --network myoverlaynet radial/busyboxplus:curl sleep 3600
docker service ps mybusyboxoverlay
docker exec -it [busybox Container ID] /bin/sh
curl mynginxoverlay:80
