Merge pull request #1021 from alphagov/fix-failover-cdn

Make CloudFront include Host header in cache key
alphagov · Nov 23, 2023 · db07d1c · db07d1c
2 parents 5e9e818 + 6bc7551
commit db07d1c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/terraform/deployments/cloudfront/main.tf b/terraform/deployments/cloudfront/main.tf
@@ -153,7 +153,10 @@ resource "aws_cloudfront_cache_policy" "no-cookies" {
       cookie_behavior = "none"
     }
     headers_config {
-      header_behavior = "none"
+      header_behavior = "whitelist"
+      headers {
+        items = ["Host"]
+      }
     }
     query_strings_config {
       query_string_behavior = "all"