From their documentation

It is strongly recommended to use a Google Coral. A $60 device will outperform $2000 CPU. Frigate should work with any supported Coral device from https://coral.ai

My bad I was thinking that coral was a SAASS… but anyway money goes to G*** so not the best…

I just did… seem not to meet my need
it use an online G*** services to perform…

and it seem to be only available as a Docker …