Clarifying usage of environment variables with docker containers
Clarifying usage of environment variables with docker containers

Signed-off-by: Anna D Derbakova <cb07a20babc77f39c5c49d18f5b5475e27c41c83@us.ibm.com>

murali-katipalli-dtcc/fabric,murali-katipalli-dtcc/fabric,jjjjibm/fabric,bburgdave/fabric,tuand27613/fabric,bren3582/fabric,srderson/fabric,murali-katipalli-dtcc/fabric,bburgdave/fabric,tuand27613/obc-peer,itp4IBM/fabric,popldo/fabric,gennadylaventman/fabric,bburgdave/fabric,gromeroar/fabric,murali-katipalli-dtcc/fabric,adecaro/fabric,ariccy/fabric,angrbrd/fabric,angrbrd/fabric,gennadylaventman/fabric,bren3582/fabric,andresgaragiola/fabric,murali-katipalli-dtcc/fabric,ahuachen/fabric,popldo/fabric,hyperledger-archives/fabric,tuand27613/obc-peer,adecaro/fabric,hyperledger-archives/fabric,ahuachen/fabric,itp4IBM/fabric,andresgaragiola/fabric,hyperledger-archives/fabric,srderson/fabric,itp4IBM/fabric,openblockchain/obc-peer,popldo/fabric,gromeroar/fabric,openblockchain/obc-peer,gennadylaventman/fabric,itp4IBM/fabric,popldo/fabric,jjjjibm/fabric,angrbrd/fabric,tuand27613/obc-peer,jjjjibm/fabric,adecaro/fabric,ahuachen/fabric,ariccy/fabric,ahuachen/fabric,itp4IBM/fabric,angrbrd/fabric,hyperledger-archives/fabric,srderson/fabric,srderson/fabric,bren3582/fabric,bren3582/fabric,itp4IBM/fabric,ahuachen/fabric,jjjjibm/fabric,ahuachen/fabric,binhn/obc-peer,jjjjibm/fabric,jjjjibm/fabric,bren3582/fabric,JonathanLevi/fabric,JonathanLevi/fabric,ariccy/fabric,gennadylaventman/fabric,srderson/fabric,binhn/obc-peer,JonathanLevi/fabric,gromeroar/fabric,popldo/fabric,adecaro/fabric,gennadylaventman/fabric,bren3582/fabric,binhn/obc-peer,murali-katipalli-dtcc/fabric,JonathanLevi/fabric,openblockchain/obc-peer,tuand27613/fabric,andresgaragiola/fabric,JonathanLevi/fabric,gromeroar/fabric,JonathanLevi/fabric,JonathanLevi/fabric,adecaro/fabric,tuand27613/fabric,bburgdave/fabric,ariccy/fabric,gennadylaventman/fabric,jjjjibm/fabric,gennadylaventman/fabric,ariccy/fabric,angrbrd/fabric,popldo/fabric,andresgaragiola/fabric,adecaro/fabric,tuand27613/fabric,angrbrd/fabric,ariccy/fabric,gromeroar/fabric,murali-katipalli-dtcc/fabric,angrbrd/fabric,ariccy/fabric,itp4IBM/fabric,tuand27613/fabric,andresgaragiola/fabric,ahuachen/fabric,hyperledger-archives/fabric,bburgdave/fabric,bren3582/fabric,andresgaragiola/fabric,andresgaragiola/fabric,srderson/fabric,adecaro/fabric,tuand27613/fabric,tuand27613/fabric,gromeroar/fabric,hyperledger-archives/fabric,srderson/fabric,hyperledger-archives/fabric,popldo/fabric,gromeroar/fabric