How to get docker stats ?

[Mark Webb]

I have a Docker instance running multiple containers.  I'm trying to figure
out how to get stats for each container.  The problem I've run in to is
that the Docker stats operation is only a producer so I can only use the
"from" in a route.  So if I don't know the container ID at build time, how
can I inject the container ID in a "from" line to follow the producer-only
requirement to get Docker container stats.