NodeJS sample code:
postgres_uri = vcap_services['postgresql-develop'][0].credentials.uri
postgres_database = vcap_services['postgresql-develop'][0].credentials.database
postgres_host = vcap_services['postgresql-develop'][0].credentials.host1
postgres_port = vcap_services['postgresql-develop'][0].credentials.port1
postgres_user = vcap_services['postgresql-develop'][0].credentials.username
postgres_password = vcap_services['postgresql-develop'][0].credentials.password