Here's a fill tank I put together last month. I fill it from a 25 gallon upright Craftsman oil-free. I think it maxes at about 120 psi. I haven't run tubeless, but thought I'd share.

I had been using a small freon tank, kitted up for inflating tires, which was more than adequate for bikes, or bringing up one flat vehicle tire (great for seasonal topping off of one or two vehicles), but I retired it, largely due to it's age. Disliked the 18v Rigid inflator-not ideal. I also wanted more volume for vehicle tires. So, this