Implementing Metrics and Alerting in Go Applications with Prometheus
Introduction to Prometheus Before we dive into the nitty-gritty of implementing metrics and alerting in Go applications using Prometheus, let’s take a quick look at what Prometheus is and why it’s so popular. Prometheus is an open-source systems monitoring and alerting toolkit that was originally built at SoundCloud. It has since become a cornerstone in the monitoring landscape, especially within the Cloud Native Computing Foundation[2]. Prometheus collects and stores metrics as time series data, which includes the metric value along with a timestamp and optional key-value pairs known as labels....