Stack dashboard allows to view the health of a cluster, multiple instances of the same services are shown on one graph. New instance is automatically added to the graph and terminated instance is removed.
A stack is a name you choose to identify services that should be grouped together.
To inform Bleemeo agent to which stack a service belong, you can:
docker run -d --label glouton.stack=website redis
service:- id: "redis"stack: "website"[...]