Merge pull request #254 from CodeNow/fix-metis-in-delta

[delta] fix postgres database hostname and user

Author: rsandor

ansible/delta-hosts/variables

@@ -63,8 +63,9 @@ domain=runnable.io
 mongo_port=27017
 new_relic_license_key=338516e0826451c297d44dc60aeaf0a0ca4bfead
 node_env=production-delta
-pg_host=delta-infrastructure-db.cnksgdqarobf.us-west-2.rds.amazonaws.com
+pg_host=delta-infradb.cnksgdqarobf.us-west-2.rds.amazonaws.com
 pg_pass=59a5524e-a772-11e5-bedc-1bdc0db458b3
+pg_user=astral
 rabbit_password=wKK7g7NWKpQXEeSzyWB7mIpxZIL8H2mDSf3Q6czR3Vk
 rabbit_username=o2mdLh9N9Ke2GzhoK8xsruYPhIQFN7iEL44dQJoq7OM
 registry_host=10.8.4.126