diff --git a/src/includes/config.php b/src/includes/config.php
new file mode 100644
index 0000000..d376fc8
--- /dev/null
+++ b/src/includes/config.php
@@ -0,0 +1,14 @@
+<?php
+define('DB_HOST', 'db');       // Nom du service dans docker-compose.yml
+define('DB_NAME', 'cms');      // Nom de la base
+define('DB_USER', 'user');     // Utilisateur MySQL
+define('DB_PASS', 'password'); // Mot de passe MySQL
+
+try {
+    $pdo = new PDO("mysql:host=".DB_HOST.";dbname=".DB_NAME, DB_USER, DB_PASS);
+    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+    echo "Connexion à la base de données réussie !";
+} catch (PDOException $e) {
+    die("Erreur de connexion : " . $e->getMessage());
+}
+?>
\ No newline at end of file
diff --git a/src/includes/footer.php b/src/includes/footer.php
new file mode 100644
index 0000000..fa361c5
--- /dev/null
+++ b/src/includes/footer.php
@@ -0,0 +1,4 @@
+<footer style="text-align: center; margin-top: 20px; padding: 10px; background: #333; color: white;">
+        <p>&copy; 2025 - Mon CMS</p>
+        <p><a href="admin/login.php" style="color: white;">Espace Administration</a></p>
+    </footer>
\ No newline at end of file
diff --git a/src/includes/function.php b/src/includes/function.php
new file mode 100644
index 0000000..bf19c07
--- /dev/null
+++ b/src/includes/function.php
@@ -0,0 +1,10 @@
+<?php
+function isLoggedIn() {
+    return isset($_SESSION['user_id']);
+}
+
+function redirect($url) {
+    header("Location: $url");
+    exit;
+}
+?>
\ No newline at end of file
diff --git a/src/includes/header.php b/src/includes/header.php
new file mode 100644
index 0000000..1ca6d09
--- /dev/null
+++ b/src/includes/header.php
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Mon CMS</title>
+    <link rel="stylesheet" href="/assets/css/style.css">
+</head>
+<body>
+    <header>
+        <h1>Mon CMS Simplifié</h1>
+        <nav>
+            <a href="admin/login.php">Connexion Admin</a>
+        </nav>
+    </header>
\ No newline at end of file
