In this chapter, we learned how to take the viewing real-time statistics of our containers off the command line and into the web browser. We explored some different methods to install Google's cAdvisor application and also how to use its web interface to keep an eye on our running containers. We also learned how to capture metrics from cAdvisor and store them using Prometheus, a modern time series database.
The two main technologies we have covered in this chapter have only been publically available for less than twelve months. In the next chapter, we will look at using a monitoring tool that has been in a SysAdmins toolbox for over 10 years—Zabbix.