From b4a6b3cae4afe15a39ddbf0901553600cc1abfb8 Mon Sep 17 00:00:00 2001
From: Jurie Smit <smit.jurie@gmail.com>
Date: Sat, 18 Jul 2026 00:15:59 +0200
Subject: [PATCH] Keep prod frontend on B1 for custom TLS

---
 infra/terraform/env/prod/main.tf | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/infra/terraform/env/prod/main.tf b/infra/terraform/env/prod/main.tf
index c8ae079..37a3a90 100644
--- a/infra/terraform/env/prod/main.tf
+++ b/infra/terraform/env/prod/main.tf
@@ -365,8 +365,9 @@ resource "azurerm_service_plan" "frontend" {
   location            = azurerm_resource_group.rg.location
   resource_group_name = azurerm_resource_group.rg.name
   os_type             = "Linux"
-  sku_name            = "F1"
-  tags                = local.tags
+  # B1 is the lowest App Service tier that supports managed certificates for custom domains.
+  sku_name = "B1"
+  tags     = local.tags
 }
 
 resource "azurerm_linux_web_app" "frontend" {