add warning

Author: james-elicx

.changeset/slimy-houses-punch.md

@@ -3,3 +3,5 @@
 ---
 
 fix: enable using the `direct` queue for isr
+
+The `direct` mode is not recommended for use in production as it does not de-dupe requests.

packages/cloudflare/src/cli/build/utils/ensure-cf-config.ts

@@ -1,3 +1,4 @@
+import logger from "@opennextjs/aws/logger";
 import type { OpenNextConfig } from "@opennextjs/aws/types/open-next.js";
 
 /**
@@ -22,6 +23,10 @@ export function ensureCloudflareConfig(config: OpenNextConfig) {
     mwUseFetchProxy: config.middleware?.override?.proxyExternalRequest === "fetch",
   };
 
+  if (config.default?.override?.queue === "direct") {
+    logger.warn("The direct mode queue is not recommended for use in production.");
+  }
+
   if (Object.values(requirements).some((satisfied) => !satisfied)) {
     throw new Error(
       "The `open-next.config.ts` should have a default export like this:\n\n" +