From 961a41eb45012dff34a66715b3998a2434281065 Mon Sep 17 00:00:00 2001
From: Tomas Fagerbekk <tomas.a.fagerbekk@gmail.com>
Date: Mon, 2 Oct 2023 00:17:37 +0200
Subject: [PATCH 1/3] Test NODE_OPTION inspect option attaches debugger

---
 test/integration/cli/test/index.test.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/integration/cli/test/index.test.js b/test/integration/cli/test/index.test.js
index 4c9f9bac53e9f..dec883c70eccd 100644
--- a/test/integration/cli/test/index.test.js
+++ b/test/integration/cli/test/index.test.js
@@ -496,6 +496,7 @@ describe('CLI Usage', () => {
     test("NODE_OPTIONS='--inspect'", async () => {
       const port = await findPort()
       let output = ''
+      let errOutput = ''
       const app = await runNextCommandDev(
         [dirBasic, '--port', port],
         undefined,
@@ -503,11 +504,16 @@ describe('CLI Usage', () => {
           onStdout(msg) {
             output += stripAnsi(msg)
           },
+          onStderr(msg) {
+            errOutput += stripAnsi(msg)
+          },
           env: { NODE_OPTIONS: '--inspect' },
         }
       )
       try {
         await check(() => output, new RegExp(`http://localhost:${port}`))
+        await check(() => errOutput, /Debugger listening on/)
+        expect(errOutput).not.toContain('address already in use')
       } finally {
         await killApp(app)
       }

From f3d6ea5091fd184cf9b89aec2ff0acaa4d3359cc Mon Sep 17 00:00:00 2001
From: Tomas Fagerbekk <tomas.a.fagerbekk@gmail.com>
Date: Sun, 1 Oct 2023 23:47:52 +0200
Subject: [PATCH 2/3] Do not forward inspect NODE_OPTION to workers

closes: #55862
---
 packages/next/src/cli/next-dev.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/next/src/cli/next-dev.ts b/packages/next/src/cli/next-dev.ts
index 70546ea42f008..04886f7545c4e 100644
--- a/packages/next/src/cli/next-dev.ts
+++ b/packages/next/src/cli/next-dev.ts
@@ -2,7 +2,12 @@
 
 import '../server/lib/cpu-profile'
 import type { StartServerOptions } from '../server/lib/start-server'
-import { RESTART_EXIT_CODE, getPort, printAndExit } from '../server/lib/utils'
+import {
+  RESTART_EXIT_CODE,
+  getPort,
+  printAndExit,
+  getNodeOptionsWithoutInspect
+} from '../server/lib/utils'
 import * as Log from '../build/output/log'
 import { CliCommand } from '../lib/commands'
 import { getProjectDir } from '../lib/get-project-dir'
@@ -251,6 +256,7 @@ const nextDev: CliCommand = async (args) => {
         stdio: 'inherit',
         env: {
           ...defaultEnv,
+          NODE_OPTIONS: getNodeOptionsWithoutInspect(),
           TURBOPACK: process.env.TURBOPACK,
           NEXT_PRIVATE_WORKER: '1',
           NODE_EXTRA_CA_CERTS: options.selfSignedCertificate

From 88b8364fe03e3a28b842a97be4ad39ec271e6203 Mon Sep 17 00:00:00 2001
From: Jiachi Liu <inbox@huozhi.im>
Date: Thu, 7 Dec 2023 20:07:40 +0100
Subject: [PATCH 3/3] Update packages/next/src/cli/next-dev.ts

---
 packages/next/src/cli/next-dev.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/packages/next/src/cli/next-dev.ts b/packages/next/src/cli/next-dev.ts
index e66d3606783d5..02e920d6971cc 100644
--- a/packages/next/src/cli/next-dev.ts
+++ b/packages/next/src/cli/next-dev.ts
@@ -247,7 +247,6 @@ const nextDev: CliCommand = async (args) => {
         stdio: 'inherit',
         env: {
           ...defaultEnv,
-          NODE_OPTIONS: getNodeOptionsWithoutInspect(),
           TURBOPACK: process.env.TURBOPACK,
           NEXT_PRIVATE_WORKER: '1',
           NODE_EXTRA_CA_CERTS: options.selfSignedCertificate