Presentation given by Błażej Kasperczyk at Pykonik meetup in Kraków. How many applications, and where do we put them? Why is our system so bad at keeping up with what the users want? What to do in case of a noisy neighbour? When you're aiming to provide a platform where the developers could easily launch an application without worrying about configuring the system, you will have to code it sooner or later. As with most very simple concepts, it presents a plethora of challenges to deal with.