Switch prod resources_api db url (#131)

Author: AllenAnthes

kubernetes/resources_api/overlays/prod/database-service.yaml

@@ -4,4 +4,4 @@ metadata:
   name: resources-postgres
 spec:
   type: ExternalName
-  externalName: resources-api-20190523.czwauqf3tjaz.us-east-2.rds.amazonaws.com 
+  externalName: python-prod.czwauqf3tjaz.us-east-2.rds.amazonaws.com