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27 lines
685 B
Plaintext
27 lines
685 B
Plaintext
const express = require('express');
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const client = require('prom-client');
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const app = express();
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const port = process.env.PORT || 4000;
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// Créer un registre de métriques
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const register = new client.Registry();
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// Collecte des métriques système par défaut (CPU, mémoire, etc.)
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client.collectDefaultMetrics({ register });
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// Route /metrics pour Prometheus
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app.get('/metrics', async (req, res) => {
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res.set('Content-Type', register.contentType);
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res.end(await register.metrics());
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});
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// Exemple de route d’application
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app.get('/', (req, res) => {
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res.send('Hello from backend');
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});
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app.listen(port, () => {
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console.log(`✅ Backend running on port ${port}`);
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});
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