Explicitly name all portMapping values
Explicitly name all portMapping values

This fixes #2592

pgkelley4/marathon,guenter/marathon,pgkelley4/marathon,meln1k/marathon,janisz/marathon,Kosta-Github/marathon,guenter/marathon,Caerostris/marathon,mesosphere/marathon,janisz/marathon,gsantovena/marathon,ss75710541/marathon,meln1k/marathon,yp-engineering/marathon,meln1k/marathon,timcharper/marathon,Caerostris/marathon,janisz/marathon,natemurthy/marathon,meln1k/marathon,mesosphere/marathon,Caerostris/marathon,natemurthy/marathon,vivekjuneja/marathon,Caerostris/marathon,gsantovena/marathon,titosand/marathon,janisz/marathon,timcharper/marathon,yp-engineering/marathon,mesosphere/marathon,Kosta-Github/marathon,mesosphere/marathon,Caerostris/marathon,timcharper/marathon,mesosphere/marathon,vivekjuneja/marathon,guenter/marathon,gsantovena/marathon,ss75710541/marathon,ss75710541/marathon,vivekjuneja/marathon,janisz/marathon,guenter/marathon,titosand/marathon,gsantovena/marathon,natemurthy/marathon,guenter/marathon,meln1k/marathon,gsantovena/marathon