From cc8ee63639d90a9da2c82f765083ec623e03a70b Mon Sep 17 00:00:00 2001
From: ZGaetano <zgaetano@wilddragon.net>
Date: Wed, 20 May 2026 22:59:03 -0400
Subject: [PATCH] =?UTF-8?q?fix(node-agent):=20replace=20express=20with=20b?=
 =?UTF-8?q?uilt-in=20http=20=E2=80=94=20no=20external=20deps=20needed?=
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---
 services/node-agent/index.js | 37 ++++++++++++++++++------------------
 1 file changed, 19 insertions(+), 18 deletions(-)

diff --git a/services/node-agent/index.js b/services/node-agent/index.js
index 79a8dc1..425ac3e 100644
--- a/services/node-agent/index.js
+++ b/services/node-agent/index.js
@@ -1,6 +1,6 @@
-import express from 'express';
-import os      from 'os';
-import fs      from 'fs';
+import http from 'http';
+import os   from 'os';
+import fs   from 'fs';
 
 const MAM_API_URL  = (process.env.MAM_API_URL  || 'http://localhost:3000').replace(/\/$/, '');
 const NODE_TOKEN   =  process.env.NODE_TOKEN   || '';
@@ -9,18 +9,20 @@ const AGENT_PORT   = parseInt(process.env.AGENT_PORT   || '3002',  10);
 const HEARTBEAT_MS = parseInt(process.env.HEARTBEAT_MS || '30000', 10);
 const VERSION      = '1.0.0';
 
-const app = express();
-app.use(express.json());
-
-// ── Health ────────────────────────────────────────────────────────────────
-app.get('/health', (_req, res) => {
-  res.json({
-    ok:       true,
-    hostname: os.hostname(),
-    uptime:   Math.round(process.uptime()),
-    version:  VERSION,
-    role:     NODE_ROLE,
-  });
+const server = http.createServer((req, res) => {
+  if (req.method === 'GET' && req.url === '/health') {
+    res.writeHead(200, { 'Content-Type': 'application/json' });
+    res.end(JSON.stringify({
+      ok:       true,
+      hostname: os.hostname(),
+      uptime:   Math.round(process.uptime()),
+      version:  VERSION,
+      role:     NODE_ROLE,
+    }));
+  } else {
+    res.writeHead(404);
+    res.end();
+  }
 });
 
 // ── CPU sampling (500ms window) ───────────────────────────────────────────
@@ -51,8 +53,7 @@ function getIp() {
 }
 
 // ── Hardware detection ────────────────────────────────────────────────────
-// GPU_COUNT env var overrides filesystem detection (useful when /dev not mapped into container)
-// BMD_COUNT env var similarly overrides Blackmagic DeckLink detection
+// GPU_COUNT / BMD_COUNT env vars override filesystem detection when /dev isn't mapped
 function detectHardware() {
   const capabilities = { gpus: [], blackmagic: [] };
 
@@ -134,7 +135,7 @@ async function heartbeat() {
 heartbeat();
 setInterval(heartbeat, HEARTBEAT_MS);
 
-app.listen(AGENT_PORT, () => {
+server.listen(AGENT_PORT, () => {
   console.log(`wild-dragon-node-agent v${VERSION}`);
   console.log(`  Listening  :${AGENT_PORT}`);
   console.log(`  Primary    ${MAM_API_URL}`);