Prometheus is an open-source monitoring system and time-series database. Written in Go language, Prometheus is a natural member of the ecosystem around Cloud Native Computing Foundation. Prometheus is not just for monitoring Kubernetes applications; it also works for those in Mesos, Docker, OpenStack and other things.
In the following article, Treasure Data explains how you can collect Docker logs into a Prometheus server using Fluentd, an open source data collector tool.
