Information regarding MAMP PRO cloud functions can be found here
http://documentation.mamp.info/en/MAMP-PRO-Mac/Settings/Cloud/
http://documentation.mamp.info/en/MAMP-PRO-Mac/Settings/Hosts/Cloud/
Information on troubleshooting issues with MAMP PRO cloud functions can be found here
http://documentation.mamp.info/en/MAMP-PRO-Mac/Troubleshooting/Cloud/