Set NODE_ENV from the config file unless already defined
Set NODE_ENV from the config file unless already defined

KenPowers/jsbin,mingzeke/jsbin,jamez14/jsbin,thsunmy/jsbin,yize/jsbin,vipulnsward/jsbin,jasonsanjose/jsbin-app,IveWong/jsbin,digideskio/jsbin,eggheadio/jsbin,kentcdodds/jsbin,remotty/jsbin,johnmichel/jsbin,martinvd/jsbin,KenPowers/jsbin,jamez14/jsbin,Freeformers/jsbin,arcseldon/jsbin,yohanboniface/jsbin,saikota/jsbin,AverageMarcus/jsbin,jsbin/jsbin,dedalik/jsbin,svacha/jsbin,francoisp/jsbin,vipulnsward/jsbin,yohanboniface/jsbin,mlucool/jsbin,IvanSanchez/jsbin,roman01la/jsbin,ilyes14/jsbin,dhval/jsbin,digideskio/jsbin,peterblazejewicz/jsbin,arcseldon/jsbin,francoisp/jsbin,jwdallas/jsbin,yize/jsbin,mlucool/jsbin,kirjs/jsbin,blesh/jsbin,jsbin/jsbin,carolineartz/jsbin,pandoraui/jsbin,carolineartz/jsbin,peterblazejewicz/jsbin,HeroicEric/jsbin,eggheadio/jsbin,Hamcha/jsbin,HeroicEric/jsbin,late-warrior/jsbin,IvanSanchez/jsbin,roman01la/jsbin,y3sh/jsbin-fork,knpwrs/jsbin,fend-classroom/jsbin,KenPowers/jsbin,juliankrispel/jsbin,martinvd/jsbin,nitaku/jervis,fend-classroom/jsbin,ctide/jsbin,Hamcha/jsbin,thsunmy/jsbin,mingzeke/jsbin,mdo/jsbin,y3sh/jsbin-fork,minwe/jsbin,johnmichel/jsbin,knpwrs/jsbin,jasonsanjose/jsbin-app,IveWong/jsbin,fgrillo21/NPA-Exam,simonThiele/jsbin,filamentgroup/jsbin,mcanthony/jsbin,ilyes14/jsbin,juliankrispel/jsbin,AverageMarcus/jsbin,dennishu001/jsbin,simonThiele/jsbin,saikota/jsbin,kentcdodds/jsbin,kirjs/jsbin,dhval/jsbin,fgrillo21/NPA-Exam,dedalik/jsbin,mcanthony/jsbin,minwe/jsbin,knpwrs/jsbin,late-warrior/jsbin,filamentgroup/jsbin,Freeformers/jsbin,svacha/jsbin,pandoraui/jsbin,jwdallas/jsbin,dennishu001/jsbin,ctide/jsbin