Frigate From Scratch guide
The Frigate NVR project is a relatively new entrant to the home security camera DVR space. Like most immature yet popular software, it has a killer feature - very good object detection that just works™ and robust Home Assistant integration.
Unfortunately, the Frigate docs are a bit spartan particularly around installing; they more or less start with “now that you’ve installed it, let’s go over configuring / using …”.