Improve database model and docs

Author: filippomc

docs/applications/databases.md

@@ -94,6 +94,8 @@ harness
 
 `initialdb` is the default database used
 
+`args`: Optional list of additional command-line arguments passed to the PostgreSQL server process (e.g. `["-c", "max_connections=200"]`).
+
 `operator`: When set to `true`, uses the [CloudNative-PG operator](https://github.com/cloudnative-pg/cloudnative-pg) instead of a plain Kubernetes Deployment. This provides advanced features like automated failover and cluster management. **Backups are not configured by default by this chart; you must define CNPG backup resources (for example, `Backup` and/or `ScheduledBackup` objects) or use another backup mechanism separately.** **Requires the CNPG operator to be pre-installed in the cluster.**
 
 To install the CNPG operator:

docs/model/DatabaseConfig.md

@@ -13,6 +13,7 @@ Name | Type | Description | Notes
 **instances** | **int** | Number of PostgreSQL instances managed by the CNPG operator (only used when operator is true) | [optional] 
 **api_server_cidr** | **List[str]** | CIDR(s) allowed for CNPG pods to reach the Kubernetes API server (port 443). Override with your cluster API-server or service CIDR. | [optional] 
 **initialdb** | **str** | Initial database name (postgres only) | [optional] 
+**args** | **List[str]** | Additional command-line arguments passed to the database server process (postgres only) | [optional] 
 
 ## Example
 

libraries/models/api/openapi.yaml

@@ -965,6 +965,11 @@ components:
                 initialdb:
                     description: 'Initial database name (postgres only)'
                     type: string
+                args:
+                    description: 'Additional command-line arguments passed to the database server process (postgres only)'
+                    type: array
+                    items:
+                        type: string
             additionalProperties: true
         NetworkConfig:
             title: Root Type for NetworkConfig