Use fixed image version instead of "latest" and
define a port variable used in the DB job definition
Issue-ID: POLICY-5250
Change-Id: I2d73cb485ac1a6cb94913cdaa0b3a8bfe87a60e0
Signed-off-by: Andreas Geissler <andreas-geissler@telekom.de>
   serviceAccount:
     nameOverride: *mariadbService
 
-postgresImage: library/postgres:latest
+postgresImage: library/postgres:17.2
 # application configuration override for postgres
 postgres:
   nameOverride: &postgresName policy-postgres
     name: *postgresName
     name2: policy-pg-primary
     name3: policy-pg-replica
+    internalPort: 5432
   container:
     name:
       primary: policy-pg-primary