How to Monitor Docker Containers

How do you monitor Docker containers? James Turnbull, adviser to Docker, tells us how. Answer:

This command will give you basic CPU, memory, network IO and a couple of other things.

It depends on your specific requirements, but for very basic stuff, wrapping a simple script around a container is probably a good way to start. You can output metrics to statsd and collect them.

If you want to look at those metrics in the context of other applications and services, then something like New Relic or DataDog, is a good solution. You can see your Docker container performance metrics juxtaposed with application metrics or whatever is running in the containers.