Many problems have two solutions, the solution for "one" and the solution for "two or more". If you really want to be ready to scale I would be a lot more confi

Many problems have two solutions, the solution for "one" and the solution for "two or more". If you really want to be ready to scale I would be a lot more confident with two servers than one. On the other hand, if you are coming out with a true MVP and don't expect the world to come rushing in, then one seems like the right answer if it saves time.