Add max_slot_wal_keep_size config to dev postgres DB

terraform/aks/config/dev.tfvars.json

@@ -10,5 +10,6 @@
   "run_recurring_jobs": false,
   "enable_logit": true,
   "postgres_flexible_server_sku": "GP_Standard_D2ads_v5",
-  "postgres_azure_storage_mb": 65536
+  "postgres_azure_storage_mb": 65536,
+  "postgres_max_slot_wal_keep_size": 8192
 }

terraform/aks/databases.tf

@@ -56,3 +56,10 @@ resource "azurerm_postgresql_flexible_server_configuration" "hot_standby_feedbac
   server_id = module.postgres.azure_server_id
   value     = "on"
 }
+
+resource "azurerm_postgresql_flexible_server_configuration" "max_slot_wal_keep_size" {
+  count     = var.postgres_max_slot_wal_keep_size == null ? 0 : 1
+  name      = "max_slot_wal_keep_size"
+  server_id = module.postgres.azure_server_id
+  value     = var.postgres_max_slot_wal_keep_size
+}

terraform/aks/variables.tf

@@ -155,6 +155,11 @@ variable "app_name" { default = null }
 
 variable "app_name_suffix" { default = null }
 
+variable "postgres_max_slot_wal_keep_size" {
+  type    = string
+  default = null
+}
+
 locals {
   app_name_suffix = var.app_name == null ? var.environment_name : var.app_name
 }