Linux.com - https://www.linux.com/news/monitoring-prometheus
Prometheus is open-source and one of the popular CNCF projects written in Golang. Some of its components are written in Ruby but most of the components are written in Go. This means you have a single binary executables, you download and run Prometheus with it’s components as that simple. Prometheus is fully Docker compatible. A number of Prometheus components with the Prometheus itself are available on the Docker Hub.