Post Malone is adding digital bartender and sommelier to his ever-growing resume … because his new line of French wine is already a huge hit!!!

The “Better Now” rapper officially released his own French rosé, Maison No. 9, and it’s already in high demand … we’re told Posty sold 50,000 bottles in 2 days during its pre-sale, wiping out the first round of inventory in a flash. Read more by clicking: TMZ