70 lines
1.7 KiB
JavaScript
70 lines
1.7 KiB
JavaScript
import express from "express";
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import pkg from "pg";
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import cors from "cors";
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import dotenv from "dotenv";
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import client from "prom-client"; // 👈 ajout pour monitoring
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dotenv.config();
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const { Pool } = pkg;
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const app = express();
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// --- CORS sécurisé ---
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app.use(
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cors({
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origin: [
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"http://localhost:5173", // pour tests locaux
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"https://dsp5-archi-o24a-15m-g3.fr" // ton frontend en production
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],
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credentials: true,
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})
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);
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app.use(express.json());
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// --- Connexion PostgreSQL ---
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const pool = new Pool({
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host: process.env.DB_HOST,
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user: process.env.DB_USER,
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password: process.env.DB_PASS,
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database: process.env.DB_NAME,
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port: 5432,
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});
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// --- Vérification de la base ---
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app.get("/db-check", async (req, res) => {
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try {
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const result = await pool.query("SELECT NOW()");
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res.json({
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message: "✅ Connexion PostgreSQL OK",
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time: result.rows[0].now,
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});
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} catch (err) {
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console.error("Erreur DB:", err.message);
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res.status(500).json({ error: "❌ Connexion à la base échouée" });
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}
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});
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// --- Route principale ---
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app.get("/", (req, res) => {
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res.json({ message: "The Tip Top API o o " });
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});
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// --- 🚀 Monitoring Prometheus ---
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const collectDefaultMetrics = client.collectDefaultMetrics;
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collectDefaultMetrics();
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app.get("/metrics", async (req, res) => {
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try {
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res.set("Content-Type", client.register.contentType);
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res.end(await client.register.metrics());
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} catch (ex) {
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res.status(500).end(ex);
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}
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});
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// --- Lancement du serveur ---
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const PORT = process.env.PORT || 4000;
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app.listen(PORT, "0.0.0.0", () => {
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console.log(`🚀 Backend lancé sur le port ${PORT}`);
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});
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