Follow the Project Checkout instructions for git, then go to the project (relative path below).
$ cd app/contact-app/contact-webapp
General instructions for checking out the project with Eclipse and building with Maven.
To setup the webapp to run with PostgreSQL, follow the steps below.
*:*:*:postgres:password *:*:*:contact:contact localhost:5432:*:postgres:password
$ cd app/contact-app
$ ./init-postgres.sh
$ cd app/contact-app
$ ./reinit-postgres.sh
jdbc.url=jdbc:postgresql://$postgres_ip:5432/contact