Dog's digging habit! Any tips to stop it?

Hey folks,

My dog has started digging up the backyard. I’ve tried a few things, like redirecting his attention, but it seems to be a habit that’s hard to break. I know some dogs dig because they’re bored or anxious, and I don’t want this to become a bigger issue..

Any practical tips for dealing with digging? I’m thinking of building him a designated digging spot or maybe using some sort of deterrent?

Appreciate the help!

Greg