kube: remove postgres_v, add versionedNames to postgres

Change-Id: Ia9a20efa1f8c7279cff836440c2d9214a749f5ba
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1789
Reviewed-by: informatic <informatic@hackerspace.pl>
Reviewed-by: radex <radex@hackerspace.pl>
diff --git a/app/inventory/prod.jsonnet b/app/inventory/prod.jsonnet
index 080b931..1b81c97 100644
--- a/app/inventory/prod.jsonnet
+++ b/app/inventory/prod.jsonnet
@@ -1,5 +1,5 @@
 local kube = import "../../kube/hscloud.libsonnet";
-local postgres = import '../../kube/postgres_v.libsonnet';
+local postgres = import '../../kube/postgres.libsonnet';
 
 {
   local top = self,
@@ -75,6 +75,7 @@
       database: 'inventory',
       username: 'inventory',
       password: top.secretRefs.postgres,
+      versionedNames: true,
     },
     bouncer: {},
   },