fix(DMVP-5400): Cloudfront custom error response

modules/cloudfront/distribution.tf

@@ -23,6 +23,16 @@ resource "aws_cloudfront_distribution" "main" {
   retain_on_delete    = var.retain_on_delete
   default_root_object = var.default_root_object
 
+  dynamic "custom_error_response" {
+    for_each = var.custom_error_response.enabled ? [1] : []
+    content {
+      error_caching_min_ttl = var.custom_error_response.error_caching_min_ttl
+      error_code            = var.custom_error_response.error_code
+      response_code         = var.custom_error_response.response_code
+      response_page_path    = var.custom_error_response.response_page_path
+    }
+  }
+
   tags = {
     Name = var.tags_name
   }

modules/cloudfront/variables.tf

@@ -312,3 +312,21 @@ variable "create_response_headers_policy" {
   }
   description = "Create cloudfront custom header policy"
 }
+
+variable "custom_error_response" {
+  type = object({
+    enabled               = optional(bool, false)
+    error_caching_min_ttl = optional(number, 10)
+    error_code            = optional(number, 404)
+    response_code         = optional(number, 200)
+    response_page_path    = optional(string, "/index.html")
+  })
+  default = {
+    enabled               = false
+    error_caching_min_ttl = 10
+    error_code            = 404
+    response_code         = 200
+    response_page_path    = "/index.html"
+  }
+  description = "Cloudfront custom error response"
+}