In this video Leigh Halliday (https://www.youtube.com/leighhalliday) shows how to integrate AppSignal into a Rails application. He covers installation and setup, how to troubleshoot and fix performance issues, specifically showing a common use-case with N+1 queries. He then shows AppSignal's Sidekiq integration along with its magic dashboard, managing and reporting anomalies, custom instrumentation, and how to handle error reporting.

Here's the timeline:

00:00 - Introduction to our Rails app

03:35 - Installing AppSignal

06:10 - AppSignal dashboard overview

08:15 - Troubleshooting performance

10:30 - Fixing N+1 queries

15:00 - Sidekiq and AppSignal

17:15 - Anomaly detection

19:00 - Custom instrumentation

20:55 - Errors and error handling

23:15 - Overview of functionality