Initial Release v1.0.0: Full feature set with Docker automation, Nginx/Alpine stack

app/Controllers/AuthController.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Controllers;
+
+use App\Core\Controller;
+use App\Models\User;
+
+class AuthController extends Controller {
+    
+    public function showLogin() {
+        if (isset($_SESSION['user_id'])) {
+            header('Location: /');
+            exit;
+        }
+        return $this->view('login');
+    }
+
+    public function login() {
+        $username = $_POST['username'] ?? '';
+        $password = $_POST['password'] ?? '';
+
+        $userModel = new User();
+        $user = $userModel->attempt($username, $password);
+
+        if ($user) {
+            $_SESSION['user_id'] = $user['id'];
+            $_SESSION['username'] = $user['username'];
+            \App\Helpers\FlashHelper::set('success', 'Welcome Back', 'Login successful.');
+            header('Location: /');
+            exit;
+        } else {
+            \App\Helpers\FlashHelper::set('error', 'Login Failed', 'Invalid credentials');
+            header('Location: /login');
+            exit;
+        }
+    }
+
+    public function logout() {
+        session_destroy();
+        header('Location: /login');
+        exit;
+    }
+}