Install Postgres on Mac

Followed this post

1. Go to http://postgresapp.com/ then download and install
2. Add Postgres to PATH
$ vi ~/.bash_profile
export PATH=$PATH:/Applications/Postgres.app/Contents/Versions/latest/bin
$ source ~/.bash_profile
3. Start Postgres by double clicking the app, then on the top icon, start "Initialize"
4. Try connecting using default postgres role
$ psql -U postgres
psql (9.6.3)
Type "help" for help.

postgres=#