macstadium has been doing this for a while, but it can be unstable and annoying at times. If they can be better than macstadium then it is compelling for iOS d

macstadium has been doing this for a while, but it can be unstable and annoying at times. If they can be better than macstadium then it is compelling for iOS dev shops who don't want to maintain a fleet of mac mini build servers. Also amazon can use it themselves for their own CI services