I only drink coffee when I tour, as much for the buzz as for any endurance effects. I don't pack it. I drink it when I get breakfast. If it isn't available, I go without.

Here is an interesting article at travellingtwo.com about a method for making coffee in pot without any other equipment: Making The Perfect Camp Coffee | TravellingTwo: Bicycle Touring Around The World

There are also additional ideas in the comments section.