Base du serveur

app.js

+const express = require('express');
+const app = express();
+module.exports = app;
+
+app.get("/", defaut);
+app.all("*", (req, res) => res.status(404).send("<h1>Il semblerait que cette page n'existe pas.</h1>"))
+
+function defaut(req, res){
+    let body = `<h1>Accueil</h1><br><p>${req.method} pour l'adresse ${req.url}</p>`;
+    res.status(200);
+    res.type("html");
+    res.send(body);
+}
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package.json

@@ -5,6 +5,7 @@
   "main": "index.js",
   "scripts": {
     "start": "node index.js",
+    "serv_start": "node server.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {
@@ -14,6 +15,6 @@
   "author": "Mohamad ALTAWEEL, Elhadji Moussa FAYE, Ludovic Tagnon, Lucas Villaume",
   "license": "ISC",
   "dependencies": {
-    "Express": "^3.0.1"
+    "express": "^4.18.2"
   }
 }

server.js

+const http = require('http');
+const app  = require('./app.js');
+
+const serv = http.createServer(app);
+serv.listen(3500, () => console.log("Serveur lancé !"));
\ No newline at end of file