Prometheus exporter exposing container metrics.
The container-exporter requests a list of containers running on the host by talking to a container manager. Right now, Docker as container manager is supported. It then gathers various container metrics by using libcontainer and exposes them for prometheus consumption.
docker run -p 9103:9103 -v /sys/fs/cgroup:/cgroup \
-v /var/run/docker.sock:/var/run/docker.sock prom/container_exporter