feat(infra): do not cache static 404s (#2622)

* feat(infra): do not cache static 404s

* feat(infra): apply condition

Author: JacobCoffee

infra/cdn/main.tf

@@ -68,6 +68,14 @@ resource "fastly_service_vcl" "python_org" {
     ttl             = 0
   }
 
+  cache_setting {
+    action          = "pass"
+    cache_condition = "Don't cache 404s for /static"
+    name            = "No caching for /static 404s"
+    stale_ttl       = 0
+    ttl             = 0
+  }
+
   condition {
     name      = "Force Pass No-Cache No-Store"
     priority  = 10
@@ -129,6 +137,13 @@ resource "fastly_service_vcl" "python_org" {
     type      = "REQUEST"
   }
 
+  condition {
+    name      = "Don't cache 404s for /static"
+    priority  = 10
+    statement = "req.url ~ \"^/static/\" && beresp.status == 404"
+    type      = "CACHE"
+  }
+
   gzip {
     name = "Default rules"
     content_types = [