Sorry. Really, I am. I can hear your pain and your rage loud and clear.
Unfortunately, most of what I would have to offer seems to be what you don't want to hear right now.
That's OK, and you are certainly entitled to your feelings. I doubt, though, that sustained rage will make you feel much better in the long run.
Look at it this way. You owe him nothing. You don't have to participate in his recovery. That's on him at this point. You can tell him so. If he feels wounded, that's HIS problem, not yours.
The one thing I would ask is that you not blame him for recovering. He is entitled to recover, just as he was entitled to drink.
I hope you can get past the rage so you can feel freedom, yourself.