An In-Depth Tutorial on Using AppSignal for Monitoring Phoenix Applications in Elixir

This article serves as an introductory guide for Phoenix developers to integrate AppSignal for monitoring their applications. It covers the prerequisites for getting started, including the need for an AppSignal account and a working Phoenix application. The guide outlines the steps to install AppSignal, including adding the necessary dependencies in 'mix.exs', running the installation command, and setting up the configuration file. It also explains how to monitor performance automatically, customize instrumentation, and track errors effectively. The guide wraps up with tips on setting up alerts and notifications for errors and performance incidents, ensuring that developers can maintain the health of their applications efficiently.