Prometheus
Docker Container
Exporter

Docker is the most popular container platform. It allows you to run your apps whatever your architecture, build your cloud, secure your infrastructure, and so many other cool features !

Prometheus is the leading open-source monitoring solution. Basically, it is a time series database which collects metrics over you infrastructure.

If you are looking for the best open source data visualization solution, Grafana is definitly what you are looking for. It is often used in conjunction with Prometheus.