diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4c2e4d1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+*.log
+*.log.*
+jilo.db
+jilo-web.db
+packaging/deb-package/
+packaging/rpm-package/
diff --git a/README.md b/README.md
index dee7dc3..0d286df 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,15 @@
-# jilo-web
+# Jilo Web
 
+## requirements
+
+- web server (deb: apache | nginx)
+
+- php support in the web server (deb: php-fpm | libapache2-mod-php)
+
+- pdo and pdo_sqlite support in php (deb: php-db, php-sqlite3) uncomment in php.ini: ;extension=pdo_sqlite
+
+## TODO
+
+- jilo-web.db outside web root
+
+- jilo-web.db writable by web server user
diff --git a/config.apache b/config.apache
new file mode 100644
index 0000000..e69de29
diff --git a/config.nginx b/config.nginx
new file mode 100644
index 0000000..e69de29
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..e0389f5
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+echo 'todo install script'
diff --git a/jilo-web.conf b/jilo-web.conf
new file mode 100644
index 0000000..e69de29
diff --git a/jilo-web.schema b/jilo-web.schema
new file mode 100644
index 0000000..d932839
--- /dev/null
+++ b/jilo-web.schema
@@ -0,0 +1,5 @@
+CREATE TABLE users (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    username TEXT NOT NULL UNIQUE,
+    password TEXT NOT NULL
+);
diff --git a/public_html/classes/database.php b/public_html/classes/database.php
new file mode 100644
index 0000000..065902f
--- /dev/null
+++ b/public_html/classes/database.php
@@ -0,0 +1,25 @@
+<?php
+
+class Database {
+    private $pdo;
+
+    public function __construct($dbFile) {
+        if ( !extension_loaded('pdo_sqlite') ) {
+            throw new Exception('PDO extension for SQLite not loaded.');
+        }
+
+        try {
+            $this->pdo = new PDO("sqlite:" . $dbFile);
+            $this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+        } catch (PDOException $e) {
+            throw new Exception('DB connection failed: ' . $e->getMessage());
+        }
+    }
+
+    public function getConnection() {
+        return $this->pdo;
+    }
+
+}
+
+?>
diff --git a/public_html/classes/user.php b/public_html/classes/user.php
new file mode 100644
index 0000000..4debec9
--- /dev/null
+++ b/public_html/classes/user.php
@@ -0,0 +1,37 @@
+<?php
+
+class User {
+    private $db;
+
+    public function __construct($database) {
+        $this->db = $database->getConnection();
+    }
+
+    public function register($username, $password) {
+        $hashedPassword = password_hash($password, PASSWORD_DEFAULT);
+        $query = $this->db->prepare("INSERT INTO users (username, password) VALUES (:username, :password)");
+        $query->bindParam(':username', $username);
+        $query->bindParam(':password', $hashedPassword);
+
+        return $query->execute();
+    }
+
+    public function login($username, $password) {
+        $query = $this->db->prepare("SELECT * FROM  users WHERE username = :username");
+        $query->bindParam(':username', $username);
+        $query->execute();
+
+        $user = $query->fetch(PDO::FETCH_ASSOC);
+        if ( $user && password_verify($password, $user['password'])) {
+            session_start();
+            $_SESSION['user_id'] = $user['id'];
+            $_SESSION['username'] = $user['username'];
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+}
+
+?>
diff --git a/public_html/index.php b/public_html/index.php
new file mode 100644
index 0000000..683243a
--- /dev/null
+++ b/public_html/index.php
@@ -0,0 +1,47 @@
+<?php
+
+unset($error);
+
+if (isset($_GET['page'])) {
+    $page = $_GET['page'];
+} elseif (isset($_POST['page'])) {
+    $page = $_POST['page'];
+} else {
+    $page = 'front';
+}
+
+session_start();
+
+if ( !isset($_SESSION['user_id']) && ($page !== 'login' && $page !== 'register') ) {
+    header('Location: index.php?page=login');
+    exit();
+}
+
+if ( isset($_SESSION['username']) ) {
+    $user = htmlspecialchars($_SESSION['username']);
+}
+
+if (isset($error)) {
+    echo "<p style='color: red;'>Error: $error</p>";
+}
+
+$allowed_urls = [
+    'front',
+    'login',
+    'logout',
+    'register',
+    'profile',
+    'config',
+];
+
+include 'templates/header.php';
+
+if (in_array($page, $allowed_urls)) {
+    include "pages/{$page}.php";
+} else {
+    include 'pages/front.php';
+}
+
+include 'templates/footer.php';
+
+?>
diff --git a/public_html/pages/config.php b/public_html/pages/config.php
new file mode 100644
index 0000000..7ccbe49
--- /dev/null
+++ b/public_html/pages/config.php
@@ -0,0 +1 @@
+<?php ?>
diff --git a/public_html/pages/login.php b/public_html/pages/login.php
new file mode 100644
index 0000000..7a32cae
--- /dev/null
+++ b/public_html/pages/login.php
@@ -0,0 +1,28 @@
+<?php
+
+require_once 'classes/database.php';
+require 'classes/user.php';
+unset($error);
+
+try {
+    $db = new Database('./jilo-web.db');
+    $user = new User($db);
+
+    if ( $_SERVER['REQUEST_METHOD'] == 'POST' ) {
+        $username = $_POST['username'];
+        $password = $_POST['password'];
+
+        if ( $user->login($username, $password) ) {
+            header('Location: index.php');
+            exit();
+        } else {
+            echo "Login failed.";
+        }
+    }
+} catch (Exception $e) {
+    $error = $e->getMessage();
+}
+
+include 'templates/form-login.php';
+
+?>
diff --git a/public_html/pages/logout.php b/public_html/pages/logout.php
new file mode 100644
index 0000000..a38ffd0
--- /dev/null
+++ b/public_html/pages/logout.php
@@ -0,0 +1,10 @@
+<?php
+
+session_start();
+session_unset();
+session_destroy();
+unset($error);
+
+echo "You logged out.";
+
+?>
\ No newline at end of file
diff --git a/public_html/pages/profile.php b/public_html/pages/profile.php
new file mode 100644
index 0000000..5a5e5f5
--- /dev/null
+++ b/public_html/pages/profile.php
@@ -0,0 +1,3 @@
+<?php ?>
+
+profile of <?= $user ?>
\ No newline at end of file
diff --git a/public_html/pages/register.php b/public_html/pages/register.php
new file mode 100644
index 0000000..fd983ee
--- /dev/null
+++ b/public_html/pages/register.php
@@ -0,0 +1,27 @@
+<?php
+
+require_once 'classes/database.php';
+require 'classes/user.php';
+unset($error);
+
+try {
+    $db = new Database('./jilo-web.db');
+    $user = new User($db);
+
+    if ( $_SERVER['REQUEST_METHOD'] == 'POST' ) {
+        $username = $_POST['username'];
+        $password = $_POST['password'];
+
+        if ( $user->register($username, $password) ) {
+            echo "Registration successful.";
+        } else {
+            echo "Registration failed.";
+        }
+    }
+} catch (Exception $e) {
+    $error = $e->getMessage();
+}
+
+include 'templates/form-register.php';
+
+?>
diff --git a/public_html/static/all.css b/public_html/static/all.css
new file mode 100644
index 0000000..60407d4
--- /dev/null
+++ b/public_html/static/all.css
@@ -0,0 +1,38 @@
+.menu-container {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    list-style: none;
+    padding: 0;
+    margin: 0;
+    margin-bottom: 10px;
+    background-color: #777;
+}
+
+.menu-left, .menu-right {
+    display: flex;
+    list-style: none;
+    padding: 0;
+    margin: 0;
+}
+
+.menu-left li, .menu-right li {
+    margin: 0 10px;
+}
+
+.menu-left a, .menu-right a {
+    text-decoration: none;
+    color: white;
+}
+
+.menu-left li a, .menu-right li a {
+    display: block;
+    color: white;
+    text-align: center;
+    padding: 14px 16px;
+    text-decoration: none;
+}
+
+.menu-left li a:hover, .menu-right li a:hover {
+    background-color: #111;
+}
diff --git a/public_html/templates/footer.php b/public_html/templates/footer.php
new file mode 100644
index 0000000..8dd310c
--- /dev/null
+++ b/public_html/templates/footer.php
@@ -0,0 +1,6 @@
+
+<div id="footer">Jilo Web</div>
+
+</body>
+
+</html>
diff --git a/public_html/templates/form-login.php b/public_html/templates/form-login.php
new file mode 100644
index 0000000..ebfb4ad
--- /dev/null
+++ b/public_html/templates/form-login.php
@@ -0,0 +1,6 @@
+
+<form method="POST" action="?page=login">
+    <input type="text" name="username" placeholder="Username" required />
+    <input type="password" name="password" placeholder="Password" required />
+    <button type="submit">Login</button>
+</form>
diff --git a/public_html/templates/form-register.php b/public_html/templates/form-register.php
new file mode 100644
index 0000000..19f180d
--- /dev/null
+++ b/public_html/templates/form-register.php
@@ -0,0 +1,6 @@
+
+<form method="POST" action="?page=register">
+    <input type="text" name="username" placeholder="Username" required />
+    <input type="password" name="password" placeholder="Password" required />
+    <button type="submit">Register</button>
+</form>
diff --git a/public_html/templates/header.php b/public_html/templates/header.php
new file mode 100644
index 0000000..d6ac58d
--- /dev/null
+++ b/public_html/templates/header.php
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <link rel="stylesheet" type="text/css" href="static/all.css">
+    <title>Jilo Web</title>
+</head>
+
+<body>
+
+<div class="menu-container">
+    <ul class="menu-left">
+        <li><a href="index.php">home</a></li>
+<?php if ( isset($_SESSION['user_id']) ) { ?>
+        <li><a href="?page=config">config</a></li>
+<?php } ?>
+    </ul>
+
+    <ul class="menu-right">
+<?php if ( isset($_SESSION['user_id']) ) { ?>
+        <li><a href="?page=profile"><?= $user ?></a></li>
+        <li><a href="?page=logout">logout</a></li>
+<?php } else { ?>
+        <li><a href="?page=login">login</a></li>
+        <li><a href="?page=register">register</a></li>
+<?php } ?>
+    </ul>
+</div>