Docker is an open source project that automates the deployment of applications using containers, providing an additional layer of abstraction and automation on top of Linux.
This playground provides a personalised sandboxed environment for you to learn and explore Docker.
What are playgrounds?
Playgrounds give you a configured environment to start playing and exploring using an unstructured learning approach.
Playgrounds are great for experimenting and trying samples. To learn more about the technology then start with one of our labs
Thank you for trying the playground. More courses and scenarios are available at on our homepage

Steps
Docker Swarm Mode Playground
Create Swarm Cluster
Initialize
docker swarm init
Join
token=$(ssh -o StrictHostKeyChecking=no [[HOST_IP]] "docker swarm join-token -q worker") && echo $token
docker swarm join [[HOST_IP]]:2377 --token $token
Create Overlay Network
docker network create -d overlay skynet