Instructions to install postgres on mac os

osx_pg_install.md

#Postgres ##Install

brew install postgresql
brew services start postgresql
initdb /usr/local/var/postgres - create new database cluster
/usr/local/Cellar/postgresql/<version>/bin/createuser -s postgres

##To start server at startup

mkdir -p ~/Library/LaunchAgents
ln -sfv /usr/local/opt/postgresql/*.plist ~/Library/LaunchAgents
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist

##login

psql -U postgres -h localhost