This document provides an overview of monitoring Kubernetes with Prometheus. It introduces Prometheus as a monitoring and alerting system inspired by Borgmon that is now part of CNCF. Prometheus uses a simple text-based open metrics format to collect multidimensional timeseries data from instrumented jobs, services, and servers. The document discusses Prometheus' architecture, data model, exporters like Kube-state-metrics, configuration files, and some useful queries for real-time monitoring like checking for deployment issues, restarting pods, and longest running pods. It also recommends strategies for monitoring resource utilization, saturation, and errors using the USE method.