From 698f7ce9321a5a2984af9472eb53384611f88a68 Mon Sep 17 00:00:00 2001
From: Victor Berchet <victor@suumit.com>
Date: Mon, 13 Oct 2025 18:53:20 +0200
Subject: [PATCH] refactor: do not create a wrangler config when a custom one
 is passed

---
 .changeset/thick-seas-walk.md                 |  5 +++++
 packages/cloudflare/src/cli/build/build.ts    |  5 -----
 packages/cloudflare/src/cli/commands/build.ts | 17 +++++++++++------
 3 files changed, 16 insertions(+), 11 deletions(-)
 create mode 100644 .changeset/thick-seas-walk.md

diff --git a/.changeset/thick-seas-walk.md b/.changeset/thick-seas-walk.md
new file mode 100644
index 000000000..22e8e079f
--- /dev/null
+++ b/.changeset/thick-seas-walk.md
@@ -0,0 +1,5 @@
+---
+"@opennextjs/cloudflare": patch
+---
+
+refactor: do not create a wrangler config when a custom one is passed
diff --git a/packages/cloudflare/src/cli/build/build.ts b/packages/cloudflare/src/cli/build/build.ts
index 9ed43e72b..faa8ed5f1 100644
--- a/packages/cloudflare/src/cli/build/build.ts
+++ b/packages/cloudflare/src/cli/build/build.ts
@@ -17,7 +17,6 @@ import { compileInit } from "./open-next/compile-init.js";
 import { compileSkewProtection } from "./open-next/compile-skew-protection.js";
 import { compileDurableObjects } from "./open-next/compileDurableObjects.js";
 import { createServerBundle } from "./open-next/createServerBundle.js";
-import { createWranglerConfigIfNotExistent } from "./utils/index.js";
 import { getVersion } from "./utils/version.js";
 
 /**
@@ -87,10 +86,6 @@ export async function build(
 
 	await bundleServer(options, projectOpts);
 
-	if (!projectOpts.skipWranglerConfigCheck) {
-		await createWranglerConfigIfNotExistent(projectOpts);
-	}
-
 	logger.info("OpenNext build complete.");
 }
 
diff --git a/packages/cloudflare/src/cli/commands/build.ts b/packages/cloudflare/src/cli/commands/build.ts
index 4b8dea6b9..9da954dbd 100644
--- a/packages/cloudflare/src/cli/commands/build.ts
+++ b/packages/cloudflare/src/cli/commands/build.ts
@@ -1,6 +1,7 @@
 import type yargs from "yargs";
 
 import { build as buildImpl } from "../build/build.js";
+import { createWranglerConfigIfNotExistent } from "../build/utils/index.js";
 import type { WithWranglerArgs } from "./utils.js";
 import {
 	compileConfig,
@@ -30,14 +31,18 @@ async function buildCommand(
 	const { config, buildDir } = await compileConfig(args.openNextConfigPath);
 	const options = getNormalizedOptions(config, buildDir);
 
+	const projectOpts = { ...args, minify: !args.noMinify, sourceDir: nextAppDir };
+
+	// Ask whether a `wrangler.jsonc` should be created when no config file exists.
+	// Note: We don't ask when a custom config file is specified via `--config`
+	//       nor when `--skipWranglerConfigCheck` is used.
+	if (!projectOpts.wranglerConfigPath && !args.skipWranglerConfigCheck) {
+		await createWranglerConfigIfNotExistent(projectOpts);
+	}
+
 	const wranglerConfig = readWranglerConfig(args);
 
-	await buildImpl(
-		options,
-		config,
-		{ ...args, minify: !args.noMinify, sourceDir: nextAppDir },
-		wranglerConfig
-	);
+	await buildImpl(options, config, projectOpts, wranglerConfig);
 }
 
 /**