Actualiser index.js

index.js

@@ -1,24 +1,43 @@
 import express from 'express';
 import client from 'prom-client';
+import dotenv from 'dotenv';
 
+dotenv.config();
 const app = express();
 const PORT = process.env.PORT || 4000;
 
-// Crée un registre de métriques Prometheus
-const register = new client.Registry();
-client.collectDefaultMetrics({ register });
+// --- Prometheus setup ---
+const collectDefaultMetrics = client.collectDefaultMetrics;
+collectDefaultMetrics(); // CPU, mémoire, etc.
 
-// Route API
-app.get('/', (req, res) => {
-  res.send('The Tip Top Backend is running 🚀');
+const httpRequestCounter = new client.Counter({
+  name: 'http_requests_total',
+  help: 'Nombre total de requêtes HTTP reçues',
+  labelNames: ['method', 'route', 'status'],
 });
 
-// Route /metrics pour Prometheus
+app.use((req, res, next) => {
+  res.on('finish', () => {
+    httpRequestCounter.inc({
+      method: req.method,
+      route: req.route?.path || req.path,
+      status: res.statusCode,
+    });
+  });
+  next();
+});
+
+// --- Ton API existante ---
+app.get('/api', (req, res) => {
+  res.json({ message: 'API The Tip Top 🚀' });
+});
+
+// --- Endpoint de métriques ---
 app.get('/metrics', async (req, res) => {
-  res.set('Content-Type', register.contentType);
-  res.end(await register.metrics());
+  res.set('Content-Type', client.register.contentType);
+  res.end(await client.register.metrics());
 });
 
 app.listen(PORT, () => {
-  console.log(`✅ Backend running on port ${PORT}`);
+  console.log(`🚀 Backend The Tip Top lancé sur le port ${PORT}`);
 });