nvidia tested and working, added options for web and api port in jenkinsfile

files/web/node_server/package.json

@@ -9,6 +9,7 @@
     "express": "^4.18.2",
     "socket.io": "^4.7.2",
     "redis": "^4.6.7",
-    "node-fetch": "^2.6.7" 
+    "node-fetch": "^2.6.7",
+    "js-yaml": "^4.1.0" 
   }
 }

files/web/node_server/server.js

@@ -4,21 +4,39 @@ const express = require('express');
 const { createClient } = require('redis');
 const { Server } = require('socket.io');
 const fetch  = require('node-fetch');   // npm i node-fetch@2
+const fs     = require('fs');
+const yaml   = require('js-yaml');      // npm i js-yaml
+const path   = require('path');
 
 const app    = express();
 const server = http.createServer(app);
 const io     = new Server(server);
 
-// ---------- Socket.io ----------
+/* --------------------------------------------------------------------- */
+/* ---------- 1. Load the YAML configuration file ---------------------- */
+/* --------------------------------------------------------------------- */
+let config = {};
+try {
+  const file = fs.readFileSync(path.resolve(__dirname, 'cosmostat_settings.yaml'), 'utf8');
+  config = yaml.load(file);
+} catch (e) {
+  console.error('Failed to load config.yaml:', e);
+  process.exit(1);
+}
+
+const API_PORT   = config.custom_api_port   || 5000;   // fallback to 5000
+const API_HOST   = config.docker_gateway   || '192.168.37.1'; // fallback IP
+const API_BASE   = `http://${API_HOST}:${API_PORT}`;
+
+// ---------------------------------------------------------------------
+// ---------- 2. Socket.io ------------------------------------------------
+// ---------------------------------------------------------------------
 io.on('connection', async socket => {
   console.log('client connected:', socket.id);
 
   // Call the external API every time a client connects
   try {
-    const resp = await fetch('http://192.168.37.1:5000/start_timer', {
-      method: 'GET'
-    });
-
+    const resp = await fetch(`${API_BASE}/start_timer`, { method: 'GET' });
     const data = await resp.json();
     console.log('API responded to connect:', data);
   } catch (err) {
@@ -29,9 +47,7 @@ io.on('connection', async socket => {
   socket.on('tableRendered', async () => {
     console.log('Client reported table rendered - starting timer');
     try {
-      const resp = await fetch('http://192.168.37.1:5000/start_timer', {
-        method: 'GET'
-      });
+      const resp = await fetch(`${API_BASE}/start_timer`, { method: 'GET' });
       const text = await resp.text();
       console.log('Timer endpoint responded:', text);
     } catch (err) {
@@ -40,17 +56,19 @@ io.on('connection', async socket => {
   });
 });
 
-// Serve static files (index.html, etc.)
+/* --------------------------------------------------------------------- */
+/* ---------- 3. Serve static files ----------------------------------- */
+/* --------------------------------------------------------------------- */
 app.use(express.static('public'));
 
-// ---------- Redis subscriber ----------
+/* --------------------------------------------------------------------- */
+/* ---------- 4. Redis subscriber ------------------------------------- */
+/* --------------------------------------------------------------------- */
 const redisClient = createClient({ url: 'redis://192.168.37.1:6379' });
-
 redisClient.on('error', err => console.error('Redis error', err));
 
 (async () => {
   await redisClient.connect();
-
   const sub = redisClient.duplicate(); // duplicate to keep separate pub/sub
   await sub.connect();
 
@@ -72,7 +90,9 @@ redisClient.on('error', err => console.error('Redis error', err));
   sub.on('error', err => console.error('Subscriber error', err));
 })();
 
-// ---------- Start ----------
+/* --------------------------------------------------------------------- */
+/* ---------- 5. Start the HTTP server --------------------------------- */
+/* --------------------------------------------------------------------- */
 const PORT = process.env.PORT || 3000;
 server.listen(PORT, () => {
   console.log(`Server listening on http://localhost:${PORT}`);