add notes about postgresql-96-rhel7 tag used in various places

Change-Id: I3d84165a93bb8d329670bc7a89b5c26a37c90aeb
Signed-off-by: nickboldt <nboldt@redhat.com>

deploy/crds/org_v1_che_cr.yaml

@@ -58,7 +58,7 @@ spec:
     chePostgresPassword: ''
     # Postgres database name that Che server uses to connect to. Defaults to dbche
     chePostgresDb: ''
-    # Postgres deployment in format image:tag. Defaults to registry.access.redhat.com/rhscl/postgresql-96-rhel7:1-25
+    # Postgres deployment in format image:tag. Defaults to registry.access.redhat.com/rhscl/postgresql-96-rhel7 (see pkg/deploy/defaults.go for latest tag)
     postgresImage: ''
   storage:
     # persistent volume claim strategy for Che server. Can be common (all workspaces PVCs in one volume),

pkg/apis/org/v1/che_types.go

@@ -81,7 +81,7 @@ type CheClusterSpecDB struct {
 	ChePostgresPassword string `json:"chePostgresPassword"`
 	// ChePostgresDb is Postgres database name that Che server uses to connect to. Defaults to dbche
 	ChePostgresDb string `json:"chePostgresDb"`
-	// PostgresImage is an image used in Postgres deployment in format image:tag. Defaults to registry.access.redhat.com/rhscl/postgresql-96-rhel7:1-25
+	// PostgresImage is an image used in Postgres deployment in format image:tag. Defaults to registry.access.redhat.com/rhscl/postgresql-96-rhel7 (see pkg/deploy/defaults.go for latest tag)
 	PostgresImage string `json:"postgresImage"`
 }
 

pkg/deploy/defaults.go

@@ -9,6 +9,7 @@
 // Contributors:
 //   Red Hat, Inc. - initial API and implementation
 //
+// REMINDER: when updating versions below, see also pkg/apis/org/v1/che_types.go and deploy/crds/org_v1_che_cr.yaml
 package deploy
 
 const (