Is auto-deploy docker image working?

Question

I see this option when I deploy an image with [ghcr.io](http://ghcr.io)

![](https://station-server.railway.com/attachments/att_01kgxqzseqfqbsbs0t90y80srz)

Anyone knows how does it work?

I thought it will be auto deploy when any change from latest image in ghcr.io.