Add option to enable backup

It's turn on by default

postgres/README.md

@@ -36,6 +36,7 @@ No modules.
 
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
+| <a name="input_backup"></a> [backup](#input\_backup) | Switch to enable backups | `bool` | `true` | no |
 | <a name="input_db-size"></a> [db-size](#input\_db-size) | DB size/type | `string` | `"db-f1-micro"` | no |
 | <a name="input_db-version"></a> [db-version](#input\_db-version) | DB type and version (e.g. POSTGRES\_14) | `string` | `"POSTGRES_14"` | no |
 | <a name="input_deletion-protection"></a> [deletion-protection](#input\_deletion-protection) | Delete protection of DB | `bool` | `true` | no |

postgres/main.tf

@@ -20,6 +20,13 @@ resource "google_sql_database_instance" "this" {
         private_network = var.network-id
       }
     }
+    dynamic "backup_configuration" {
+      for_each = var.backup ? [1] : []
+      content {
+        enabled                        = true
+        point_in_time_recovery_enabled = true
+      }
+    }
   }
   depends_on = [google_service_networking_connection.this]
 }

postgres/variables.tf

@@ -1,3 +1,9 @@
+variable "backup" {
+  default     = true
+  description = "Switch to enable backups"
+  type        = bool
+}
+
 variable "db-size" {
   default     = "db-f1-micro"
   description = "DB size/type"