do not assign a password for root since we have removed the ssh server
do not assign a password for root since we have removed the ssh server

sameersbn/docker-postgresql,boky8/docker-postgresql,whatever4711/rpi-postgresql,abner/docker-postgresql,crobays/docker-postgresql,jaceju/docker-postgresql,markrowsoft/docker-postgres-bdr,zires/docker-postgresql,bokysan/docker-postgresql,logandg/docker-postgis,arkkanoid/docker-postgresql,Downchuck/docker-postgresql,timclassic/docker-postgresql,mental-docker/postgresql