Redis Cache

DFE-Digital · Jan 27, 2025 · 5d96061 · 5d96061
1 parent a1c290b
commit 5d96061
Show file tree

Hide file tree

Showing 3 changed files with 34 additions and 8 deletions.
diff --git a/src/infrastructure/terraform/caching.tf b/src/infrastructure/terraform/caching.tf
@@ -0,0 +1,21 @@
+resource "azurerm_resource_group" "caching-rg" {
+  name     = "${local.service_prefix}-caching-rg"
+  location = local.location
+  tags     = local.common_tags
+}
+
+resource "azurerm_redis_cache" "redis-cache" {
+  capacity            = 2
+  family              = "C"
+  location            = local.location
+  name                = "${local.service_prefix}-redis-cache"
+  resource_group_name = azurerm_resource_group.caching-rg.id
+  sku_name            = "Standard"
+  minimum_tls_version = "1.2"
+}
+
+resource "azurerm_key_vault_secret" "redis-cache-connection-string" {
+  key_vault_id = azurerm_key_vault.key-vault.id
+  name         = "redis-cache-connection-string"
+  value        = azurerm_redis_cache.redis-cache.primary_access_key
+}
diff --git a/src/infrastructure/terraform/locals.tf b/src/infrastructure/terraform/locals.tf
@@ -9,12 +9,4 @@ locals {
   location       = "westeurope"
   frontdoor_name = "${local.service_prefix}-web-fd"
   frontdoor_url  = "${local.frontdoor_name}.azurefd.net"
-
-  web_app_settings = {
-    "ContentfulOptions__DeliveryApiKey"     = "@Microsoft.KeyVault(SecretUri=${azurerm_key_vault_secret.contentful-delivery-api-key.versionless_id})"
-    "ContentfulOptions__PreviewApiKey"      = "@Microsoft.KeyVault(SecretUri=${azurerm_key_vault_secret.contentful-preview-api-key.versionless_id})"
-    "ContentfulOptions__SpaceId"            = "@Microsoft.KeyVault(SecretUri=${azurerm_key_vault_secret.contentful-space-id.versionless_id})"
-    "BaseUrl"                               = "https://${local.frontdoor_url}"
-    "ApplicationInsights__ConnectionString" = "@Microsoft.KeyVault(SecretUri=${azurerm_key_vault_secret.application-insights-connection-string.versionless_id})"
-  }
 }
diff --git a/src/infrastructure/terraform/web.tf b/src/infrastructure/terraform/web.tf
@@ -1,3 +1,13 @@
+locals {
+  web_app_settings = {
+    "ContentfulOptions__DeliveryApiKey"     = "@Microsoft.KeyVault(SecretUri=${azurerm_key_vault_secret.contentful-delivery-api-key.versionless_id})"
+    "ContentfulOptions__PreviewApiKey"      = "@Microsoft.KeyVault(SecretUri=${azurerm_key_vault_secret.contentful-preview-api-key.versionless_id})"
+    "ContentfulOptions__SpaceId"            = "@Microsoft.KeyVault(SecretUri=${azurerm_key_vault_secret.contentful-space-id.versionless_id})"
+    "BaseUrl"                               = "https://${local.frontdoor_url}"
+    "ApplicationInsights__ConnectionString" = "@Microsoft.KeyVault(SecretUri=${azurerm_key_vault_secret.application-insights-connection-string.versionless_id})"
+  }
+}
+
 resource "azurerm_resource_group" "web-rg" {
   name     = "${local.service_prefix}-web-rg"
   location = local.location
@@ -27,6 +37,9 @@ resource "azurerm_linux_web_app_slot" "web-app-service-staging" {
       name        = "Access from Front Door"
       service_tag = "AzureFrontDoor.Backend"
     }
+
+    health_check_path = "/health"
+    health_check_eviction_time_in_min = 5
   }
 
   app_settings = local.web_app_settings