diff --git a/composer.json b/composer.json
index 8dd5dec..e200728 100644
--- a/composer.json
+++ b/composer.json
@@ -9,5 +9,8 @@
             "Entity\\": "src/Entity/",
             "Repository\\": "src/Repository/"
         }
+    },
+    "require-dev": {
+        "doctrine/migrations": "^3.9"
     }
 }
diff --git a/migrations-cli.php b/migrations-cli.php
new file mode 100644
index 0000000..50668e0
--- /dev/null
+++ b/migrations-cli.php
@@ -0,0 +1,27 @@
+#!/usr/bin/env php
+<?php
+
+require_once 'vendor/autoload.php';
+
+use Doctrine\Migrations\Tools\Console\Command;
+use Symfony\Component\Console\Application;
+
+$dependencyFactory = require 'migrations-config.php';
+
+$cli = new Application('Doctrine Migrations');
+$cli->setCatchExceptions(true);
+
+$cli->addCommands([
+    new Command\DiffCommand($dependencyFactory),
+    new Command\ExecuteCommand($dependencyFactory),
+    new Command\GenerateCommand($dependencyFactory),
+    new Command\LatestCommand($dependencyFactory),
+    new Command\ListCommand($dependencyFactory),
+    new Command\MigrateCommand($dependencyFactory),
+    new Command\RollupCommand($dependencyFactory),
+    new Command\StatusCommand($dependencyFactory),
+    new Command\SyncMetadataCommand($dependencyFactory),
+    new Command\VersionCommand($dependencyFactory),
+]);
+
+$cli->run();
diff --git a/migrations-config.php b/migrations-config.php
new file mode 100644
index 0000000..bef2a21
--- /dev/null
+++ b/migrations-config.php
@@ -0,0 +1,11 @@
+<?php
+
+require_once 'doctrine-config.php';
+
+use Doctrine\Migrations\Configuration\EntityManager\ExistingEntityManager;
+use Doctrine\Migrations\Configuration\Migration\PhpFile;
+use Doctrine\Migrations\DependencyFactory;
+
+$config = new PhpFile('migrations.php');
+
+return DependencyFactory::fromEntityManager($config, new ExistingEntityManager($entityManager));
diff --git a/migrations.php b/migrations.php
new file mode 100644
index 0000000..6cf02d0
--- /dev/null
+++ b/migrations.php
@@ -0,0 +1,22 @@
+<?php
+
+return [
+    'table_storage' => [
+        'table_name' => 'doctrine_migration_versions',
+        'version_column_name' => 'version',
+        'version_column_length' => 191,
+        'executed_at_column_name' => 'executed_at',
+        'execution_time_column_name' => 'execution_time',
+    ],
+
+    'migrations_paths' => [
+        'Migrations' => __DIR__ . '/migrations',
+    ],
+
+    'all_or_nothing' => true,
+    'transactional' => true,
+    'check_database_platform' => true,
+    'organize_migrations' => 'none',
+    'connection' => null,
+    'em' => null,
+];
diff --git a/migrations/Version20251006214042.php b/migrations/Version20251006214042.php
new file mode 100644
index 0000000..42ec687
--- /dev/null
+++ b/migrations/Version20251006214042.php
@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20251006214042 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Initial schema with default data';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('CREATE TABLE kampagnen (id INT AUTO_INCREMENT NOT NULL, is_fb TINYINT(1) NOT NULL, is_tr TINYINT(1) NOT NULL, is_mail TINYINT(1) NOT NULL, dest_url VARCHAR(255) NOT NULL, mailtext LONGTEXT DEFAULT NULL, img VARCHAR(255) DEFAULT NULL, linktext VARCHAR(255) DEFAULT NULL, ma SMALLINT NOT NULL, reload SMALLINT NOT NULL, dateCreated DATETIME NOT NULL, dateModified DATETIME NOT NULL, user_id INT DEFAULT NULL, INDEX IDX_37572FC6A76ED395 (user_id), PRIMARY KEY (id)) DEFAULT CHARACTER SET utf8mb4');
+        $this->addSql('CREATE TABLE reloadsperre (id INT AUTO_INCREMENT NOT NULL, reload_bis DATETIME NOT NULL, ip VARCHAR(45) NOT NULL, dateCreated DATETIME NOT NULL, kampagne_id INT NOT NULL, user_id INT NOT NULL, INDEX IDX_B6A62B2AACE19231 (kampagne_id), INDEX IDX_B6A62B2AA76ED395 (user_id), INDEX idx_kampagne_user (kampagne_id, user_id), INDEX idx_reload_bis (reload_bis), PRIMARY KEY (id)) DEFAULT CHARACTER SET utf8mb4');
+        $this->addSql('CREATE TABLE users (id INT AUTO_INCREMENT NOT NULL, username VARCHAR(100) NOT NULL, email VARCHAR(255) NOT NULL, password VARCHAR(255) NOT NULL, rolle ENUM(\'user\', \'admin\', \'werbenetzwerk\'), createdAt DATETIME NOT NULL, werbenetzwerk_id INT DEFAULT NULL, INDEX IDX_1483A5E948B23AFC (werbenetzwerk_id), PRIMARY KEY (id)) DEFAULT CHARACTER SET utf8mb4');
+        $this->addSql('CREATE TABLE werbenetzwerk (id INT AUTO_INCREMENT NOT NULL, umrechnungskurs DOUBLE PRECISION NOT NULL, eigenanteil_prozent SMALLINT UNSIGNED NOT NULL, date_updated DATETIME DEFAULT NULL, PRIMARY KEY (id)) DEFAULT CHARACTER SET utf8mb4');
+        $this->addSql('ALTER TABLE kampagnen ADD CONSTRAINT FK_37572FC6A76ED395 FOREIGN KEY (user_id) REFERENCES users (id)');
+        $this->addSql('ALTER TABLE reloadsperre ADD CONSTRAINT FK_B6A62B2AACE19231 FOREIGN KEY (kampagne_id) REFERENCES kampagnen (id)');
+        $this->addSql('ALTER TABLE reloadsperre ADD CONSTRAINT FK_B6A62B2AA76ED395 FOREIGN KEY (user_id) REFERENCES users (id)');
+        $this->addSql('ALTER TABLE users ADD CONSTRAINT FK_1483A5E948B23AFC FOREIGN KEY (werbenetzwerk_id) REFERENCES werbenetzwerk (id)');
+
+        // Default data - Werbenetzwerk
+        $this->addSql('INSERT INTO werbenetzwerk (umrechnungskurs, eigenanteil_prozent, date_updated) VALUES (0.0000000022, 25, NOW())');
+
+        // Default data - Users
+        $this->addSql('INSERT INTO users (username, email, password, rolle, createdAt) VALUES ("admin", "admin@example.com", "$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi", "admin", NOW())');
+        $this->addSql('INSERT INTO users (username, email, password, rolle, createdAt) VALUES ("testuser1", "testuser1@example.com", "$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi", "user", NOW())');
+        $this->addSql('INSERT INTO users (username, email, password, rolle, createdAt) VALUES ("testuser2", "testuser2@example.com", "$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi", "user", NOW())');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE kampagnen DROP FOREIGN KEY FK_37572FC6A76ED395');
+        $this->addSql('ALTER TABLE reloadsperre DROP FOREIGN KEY FK_B6A62B2AACE19231');
+        $this->addSql('ALTER TABLE reloadsperre DROP FOREIGN KEY FK_B6A62B2AA76ED395');
+        $this->addSql('ALTER TABLE users DROP FOREIGN KEY FK_1483A5E948B23AFC');
+        $this->addSql('DROP TABLE kampagnen');
+        $this->addSql('DROP TABLE reloadsperre');
+        $this->addSql('DROP TABLE users');
+        $this->addSql('DROP TABLE werbenetzwerk');
+    }
+}
diff --git a/migrations/Version20251006214520.php b/migrations/Version20251006214520.php
new file mode 100644
index 0000000..216e5e0
--- /dev/null
+++ b/migrations/Version20251006214520.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20251006214520 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Change IP column to VARBINARY(16) for efficient storage';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE reloadsperre CHANGE ip ip VARBINARY(16) NOT NULL');
+        $this->addSql('ALTER TABLE users CHANGE rolle rolle ENUM(\'user\', \'admin\', \'werbenetzwerk\')');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE reloadsperre CHANGE ip ip VARCHAR(45) NOT NULL');
+        $this->addSql('ALTER TABLE users CHANGE rolle rolle ENUM(\'user\', \'admin\', \'werbenetzwerk\') DEFAULT NULL');
+    }
+}
diff --git a/migrations/Version20251006214635.php b/migrations/Version20251006214635.php
new file mode 100644
index 0000000..78b705e
--- /dev/null
+++ b/migrations/Version20251006214635.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20251006214635 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Change IP column to INT UNSIGNED for IPv4 storage (4 bytes)';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE reloadsperre CHANGE ip ip INT UNSIGNED NOT NULL');
+        $this->addSql('ALTER TABLE users CHANGE rolle rolle ENUM(\'user\', \'admin\', \'werbenetzwerk\')');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE reloadsperre CHANGE ip ip VARBINARY(16) NOT NULL');
+        $this->addSql('ALTER TABLE users CHANGE rolle rolle ENUM(\'user\', \'admin\', \'werbenetzwerk\') DEFAULT NULL');
+    }
+}
diff --git a/migrations/Version20251006214741.php b/migrations/Version20251006214741.php
new file mode 100644
index 0000000..d134343
--- /dev/null
+++ b/migrations/Version20251006214741.php
@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20251006214741 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add ON DELETE actions to foreign keys';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE kampagnen DROP FOREIGN KEY `FK_37572FC6A76ED395`');
+        $this->addSql('ALTER TABLE kampagnen ADD CONSTRAINT FK_37572FC6A76ED395 FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE SET NULL');
+        $this->addSql('ALTER TABLE reloadsperre DROP FOREIGN KEY `FK_B6A62B2AA76ED395`');
+        $this->addSql('ALTER TABLE reloadsperre DROP FOREIGN KEY `FK_B6A62B2AACE19231`');
+        $this->addSql('ALTER TABLE reloadsperre ADD CONSTRAINT FK_B6A62B2AA76ED395 FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE');
+        $this->addSql('ALTER TABLE reloadsperre ADD CONSTRAINT FK_B6A62B2AACE19231 FOREIGN KEY (kampagne_id) REFERENCES kampagnen (id) ON DELETE CASCADE');
+        $this->addSql('ALTER TABLE users DROP FOREIGN KEY `FK_1483A5E948B23AFC`');
+        $this->addSql('ALTER TABLE users CHANGE rolle rolle ENUM(\'user\', \'admin\', \'werbenetzwerk\')');
+        $this->addSql('ALTER TABLE users ADD CONSTRAINT FK_1483A5E948B23AFC FOREIGN KEY (werbenetzwerk_id) REFERENCES werbenetzwerk (id) ON DELETE SET NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE kampagnen DROP FOREIGN KEY FK_37572FC6A76ED395');
+        $this->addSql('ALTER TABLE kampagnen ADD CONSTRAINT `FK_37572FC6A76ED395` FOREIGN KEY (user_id) REFERENCES users (id)');
+        $this->addSql('ALTER TABLE reloadsperre DROP FOREIGN KEY FK_B6A62B2AACE19231');
+        $this->addSql('ALTER TABLE reloadsperre DROP FOREIGN KEY FK_B6A62B2AA76ED395');
+        $this->addSql('ALTER TABLE reloadsperre ADD CONSTRAINT `FK_B6A62B2AACE19231` FOREIGN KEY (kampagne_id) REFERENCES kampagnen (id)');
+        $this->addSql('ALTER TABLE reloadsperre ADD CONSTRAINT `FK_B6A62B2AA76ED395` FOREIGN KEY (user_id) REFERENCES users (id)');
+        $this->addSql('ALTER TABLE users DROP FOREIGN KEY FK_1483A5E948B23AFC');
+        $this->addSql('ALTER TABLE users CHANGE rolle rolle ENUM(\'user\', \'admin\', \'werbenetzwerk\') DEFAULT NULL');
+        $this->addSql('ALTER TABLE users ADD CONSTRAINT `FK_1483A5E948B23AFC` FOREIGN KEY (werbenetzwerk_id) REFERENCES werbenetzwerk (id)');
+    }
+}
diff --git a/migrations/Version20251006214859.php b/migrations/Version20251006214859.php
new file mode 100644
index 0000000..730c3cd
--- /dev/null
+++ b/migrations/Version20251006214859.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20251006214859 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Change kampagne FK to RESTRICT (kampagne must exist)';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE reloadsperre DROP FOREIGN KEY `FK_B6A62B2AACE19231`');
+        $this->addSql('ALTER TABLE reloadsperre ADD CONSTRAINT FK_B6A62B2AACE19231 FOREIGN KEY (kampagne_id) REFERENCES kampagnen (id) ON DELETE RESTRICT');
+        $this->addSql('ALTER TABLE users CHANGE rolle rolle ENUM(\'user\', \'admin\', \'werbenetzwerk\')');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE reloadsperre DROP FOREIGN KEY FK_B6A62B2AACE19231');
+        $this->addSql('ALTER TABLE reloadsperre ADD CONSTRAINT `FK_B6A62B2AACE19231` FOREIGN KEY (kampagne_id) REFERENCES kampagnen (id) ON DELETE CASCADE');
+        $this->addSql('ALTER TABLE users CHANGE rolle rolle ENUM(\'user\', \'admin\', \'werbenetzwerk\') DEFAULT NULL');
+    }
+}
diff --git a/seed-kampagnen.php b/seed-kampagnen.php
new file mode 100644
index 0000000..1242ddf
--- /dev/null
+++ b/seed-kampagnen.php
@@ -0,0 +1,66 @@
+<?php
+// seed-kampagnen.php - Beispiel-Kampagnen einfügen
+
+require_once 'doctrine-config.php';
+
+use Entity\Kampagne;
+use Entity\User;
+
+try {
+    // Prüfen ob bereits Kampagnen vorhanden sind
+    $existingData = $entityManager->getRepository(Kampagne::class)->findAll();
+
+    if (count($existingData) > 0) {
+        echo "Kampagnen sind bereits vorhanden. Überspringe Seed.\n";
+        exit(0);
+    }
+
+    // User für Zuweisung holen
+    $users = $entityManager->getRepository(User::class)->findAll();
+    if (count($users) === 0) {
+        echo "Keine User gefunden. Bitte erst User anlegen.\n";
+        exit(1);
+    }
+
+    // 10 Beispiel-Kampagnen erstellen
+    $kampagnenData = [
+        ['is_fb' => true, 'is_tr' => false, 'is_mail' => false, 'dest_url' => 'https://example.com/promo1', 'linktext' => 'Super Angebot 1', 'ma' => 5, 'reload' => 24],
+        ['is_fb' => false, 'is_tr' => true, 'is_mail' => false, 'dest_url' => 'https://example.com/promo2', 'linktext' => 'Mega Deal 2', 'ma' => 3, 'reload' => 12],
+        ['is_fb' => true, 'is_tr' => true, 'is_mail' => false, 'dest_url' => 'https://example.com/promo3', 'linktext' => 'Exklusiv Angebot 3', 'ma' => 10, 'reload' => 48],
+        ['is_fb' => false, 'is_tr' => false, 'is_mail' => true, 'dest_url' => 'https://example.com/promo4', 'linktext' => 'Newsletter Special 4', 'ma' => 2, 'reload' => 6, 'mailtext' => 'Hallo, schau dir unser tolles Angebot an!'],
+        ['is_fb' => true, 'is_tr' => false, 'is_mail' => true, 'dest_url' => 'https://example.com/promo5', 'linktext' => 'Combo Deal 5', 'ma' => 7, 'reload' => 36, 'mailtext' => 'Exklusive Kombination nur für dich!'],
+        ['is_fb' => false, 'is_tr' => true, 'is_mail' => false, 'dest_url' => 'https://example.com/promo6', 'linktext' => 'Traffic Boost 6', 'ma' => 4, 'reload' => 18],
+        ['is_fb' => true, 'is_tr' => true, 'is_mail' => true, 'dest_url' => 'https://example.com/promo7', 'linktext' => 'All-in-One 7', 'ma' => 15, 'reload' => 72, 'mailtext' => 'Maximale Reichweite mit allen Kanälen!'],
+        ['is_fb' => false, 'is_tr' => false, 'is_mail' => false, 'dest_url' => 'https://example.com/promo8', 'linktext' => 'Basic Campaign 8', 'ma' => 1, 'reload' => 3],
+        ['is_fb' => true, 'is_tr' => false, 'is_mail' => false, 'dest_url' => 'https://example.com/promo9', 'linktext' => 'Facebook Power 9', 'ma' => 8, 'reload' => 24],
+        ['is_fb' => false, 'is_tr' => true, 'is_mail' => true, 'dest_url' => 'https://example.com/promo10', 'linktext' => 'Traffic + Mail 10', 'ma' => 6, 'reload' => 30, 'mailtext' => 'Doppelte Power für deine Kampagne!'],
+    ];
+
+    $userIndex = 0;
+    foreach ($kampagnenData as $data) {
+        $kampagne = new Kampagne();
+        $kampagne->setIsFb($data['is_fb']);
+        $kampagne->setIsTr($data['is_tr']);
+        $kampagne->setIsMail($data['is_mail']);
+        $kampagne->setDestUrl($data['dest_url']);
+        $kampagne->setLinktext($data['linktext']);
+        $kampagne->setMa($data['ma']);
+        $kampagne->setReload($data['reload']);
+
+        if (isset($data['mailtext'])) {
+            $kampagne->setMailtext($data['mailtext']);
+        }
+
+        // User rotierend zuweisen
+        $kampagne->setUser($users[$userIndex % count($users)]);
+        $userIndex++;
+
+        $entityManager->persist($kampagne);
+    }
+
+    $entityManager->flush();
+
+    echo "10 Beispiel-Kampagnen wurden erfolgreich eingefügt.\n";
+} catch (\Exception $e) {
+    echo "Fehler beim Einfügen der Daten: " . $e->getMessage() . "\n";
+}
diff --git a/seed-werbenetzwerk.php b/seed-werbenetzwerk.php
deleted file mode 100644
index ed67b55..0000000
--- a/seed-werbenetzwerk.php
+++ /dev/null
@@ -1,30 +0,0 @@
-<?php
-// seed-werbenetzwerk.php - Default-Daten für Werbenetzwerk einfügen
-
-require_once 'doctrine-config.php';
-
-use Entity\Werbenetzwerk;
-
-try {
-    // Prüfen ob bereits Daten vorhanden sind
-    $existingData = $entityManager->getRepository(Werbenetzwerk::class)->findAll();
-
-    if (count($existingData) > 0) {
-        echo "Werbenetzwerk-Daten sind bereits vorhanden. Überspringe Seed.\n";
-        exit(0);
-    }
-
-    // Default-Daten einfügen
-    $werbenetzwerk = new Werbenetzwerk();
-    $werbenetzwerk->setWerbenetzwerk('ADC');
-    $werbenetzwerk->setName('AdCity.eu');
-    $werbenetzwerk->setUmrechnungskurs(0.0000000022);
-    $werbenetzwerk->setEigenanteilProzent(25);
-
-    $entityManager->persist($werbenetzwerk);
-    $entityManager->flush();
-
-    echo "Default-Werbenetzwerk 'ADC' wurde erfolgreich eingefügt.\n";
-} catch (\Exception $e) {
-    echo "Fehler beim Einfügen der Daten: " . $e->getMessage() . "\n";
-}
diff --git a/setup-database.php b/setup-database.php
new file mode 100644
index 0000000..b5eea1a
--- /dev/null
+++ b/setup-database.php
@@ -0,0 +1,31 @@
+<?php
+// setup-database.php - Komplettes Datenbank-Setup mit Migrations
+
+require_once 'config.php';
+
+try {
+    // Datenbank neu erstellen
+    $pdo = new PDO("mysql:host=$databaseHost", $databaseUser, $databasePassword);
+    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+    $pdo->exec("DROP DATABASE IF EXISTS $databaseDatabase");
+    $pdo->exec("CREATE DATABASE $databaseDatabase CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
+    echo "✓ Datenbank '$databaseDatabase' wurde neu erstellt.\n";
+
+    // Migrations ausführen
+    echo "\n";
+    passthru('php migrations-cli.php migrations:migrate --no-interaction', $returnCode);
+
+    if ($returnCode === 0) {
+        echo "\n✓ Datenbank-Setup erfolgreich abgeschlossen!\n";
+        echo "\nStandardbenutzer:\n";
+        echo "- admin / admin123 (Rolle: admin)\n";
+        echo "- testuser1 / test123 (Rolle: user)\n";
+        echo "- testuser2 / test123 (Rolle: user)\n";
+    } else {
+        echo "\n✗ Fehler beim Ausführen der Migrations.\n";
+        exit(1);
+    }
+} catch (PDOException $e) {
+    echo "✗ Fehler: " . $e->getMessage() . "\n";
+    exit(1);
+}
diff --git a/src/Entity/Kampagne.php b/src/Entity/Kampagne.php
index c35817c..99a4ba6 100644
--- a/src/Entity/Kampagne.php
+++ b/src/Entity/Kampagne.php
@@ -41,12 +41,8 @@ class Kampagne
     #[ORM\Column(type: 'smallint')]
     private int $reload = 0;
 
-    #[ORM\ManyToOne(targetEntity: Werbenetzwerk::class)]
-    #[ORM\JoinColumn(name: 'werbenetzwerk_id', referencedColumnName: 'werbenetzwerk', nullable: true)]
-    private ?Werbenetzwerk $werbenetzwerk = null;
-
     #[ORM\ManyToOne(targetEntity: User::class)]
-    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id', nullable: true)]
+    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id', nullable: true, onDelete: 'SET NULL')]
     private ?User $user = null;
 
     #[ORM\Column(type: 'datetime')]
@@ -183,17 +179,6 @@ class Kampagne
         return $this->dateModified;
     }
 
-    public function getWerbenetzwerk(): ?Werbenetzwerk
-    {
-        return $this->werbenetzwerk;
-    }
-
-    public function setWerbenetzwerk(?Werbenetzwerk $werbenetzwerk): self
-    {
-        $this->werbenetzwerk = $werbenetzwerk;
-        return $this;
-    }
-
     public function getUser(): ?User
     {
         return $this->user;
diff --git a/src/Entity/Reloadsperre.php b/src/Entity/Reloadsperre.php
new file mode 100644
index 0000000..6a9e4b6
--- /dev/null
+++ b/src/Entity/Reloadsperre.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity]
+#[ORM\Table(name: 'reloadsperre')]
+#[ORM\Index(name: 'idx_kampagne_user', columns: ['kampagne_id', 'user_id'])]
+#[ORM\Index(name: 'idx_reload_bis', columns: ['reload_bis'])]
+#[ORM\HasLifecycleCallbacks]
+class Reloadsperre
+{
+    #[ORM\Id]
+    #[ORM\GeneratedValue]
+    #[ORM\Column(type: 'integer')]
+    private ?int $id = null;
+
+    #[ORM\ManyToOne(targetEntity: Kampagne::class)]
+    #[ORM\JoinColumn(name: 'kampagne_id', referencedColumnName: 'id', nullable: false, onDelete: 'RESTRICT')]
+    private Kampagne $kampagne;
+
+    #[ORM\ManyToOne(targetEntity: User::class)]
+    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
+    private User $user;
+
+    #[ORM\Column(type: 'datetime')]
+    private \DateTimeInterface $reload_bis;
+
+    #[ORM\Column(type: 'integer', options: ['unsigned' => true])]
+    private int $ip;
+
+    #[ORM\Column(type: 'datetime')]
+    private \DateTimeInterface $dateCreated;
+
+    #[ORM\PrePersist]
+    public function setDateCreatedValue(): void
+    {
+        $this->dateCreated = new \DateTime();
+    }
+
+    // Getters and Setters
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getKampagne(): Kampagne
+    {
+        return $this->kampagne;
+    }
+
+    public function setKampagne(Kampagne $kampagne): self
+    {
+        $this->kampagne = $kampagne;
+        return $this;
+    }
+
+    public function getUser(): User
+    {
+        return $this->user;
+    }
+
+    public function setUser(User $user): self
+    {
+        $this->user = $user;
+        return $this;
+    }
+
+    public function getReloadBis(): \DateTimeInterface
+    {
+        return $this->reload_bis;
+    }
+
+    public function setReloadBis(\DateTimeInterface $reload_bis): self
+    {
+        $this->reload_bis = $reload_bis;
+        return $this;
+    }
+
+    public function getIp(): string
+    {
+        return long2ip($this->ip);
+    }
+
+    public function setIp(string $ip): self
+    {
+        $this->ip = ip2long($ip);
+        return $this;
+    }
+
+    public function getDateCreated(): \DateTimeInterface
+    {
+        return $this->dateCreated;
+    }
+}
diff --git a/src/Entity/User.php b/src/Entity/User.php
index ae550dc..02bc328 100644
--- a/src/Entity/User.php
+++ b/src/Entity/User.php
@@ -22,6 +22,13 @@ class User
     #[ORM\Column(type: 'string', length: 255)]
     private string $password;
 
+    #[ORM\Column(type: 'string', columnDefinition: "ENUM('user', 'admin', 'werbenetzwerk')")]
+    private string $rolle = 'user';
+
+    #[ORM\ManyToOne(targetEntity: Werbenetzwerk::class)]
+    #[ORM\JoinColumn(name: 'werbenetzwerk_id', referencedColumnName: 'id', nullable: true, onDelete: 'SET NULL')]
+    private ?Werbenetzwerk $werbenetzwerk = null;
+
     #[ORM\Column(type: 'datetime')]
     private \DateTime $createdAt;
 
@@ -79,4 +86,39 @@ class User
         $this->createdAt = $createdAt;
         return $this;
     }
+
+    public function getRolle(): string
+    {
+        return $this->rolle;
+    }
+
+    public function setRolle(string $rolle): self
+    {
+        if (!in_array($rolle, ['user', 'admin', 'werbenetzwerk'])) {
+            throw new \InvalidArgumentException('Rolle muss "user", "admin" oder "werbenetzwerk" sein');
+        }
+        $this->rolle = $rolle;
+        return $this;
+    }
+
+    public function isAdmin(): bool
+    {
+        return $this->rolle === 'admin';
+    }
+
+    public function isWerbenetzwerk(): bool
+    {
+        return $this->rolle === 'werbenetzwerk';
+    }
+
+    public function getWerbenetzwerk(): ?Werbenetzwerk
+    {
+        return $this->werbenetzwerk;
+    }
+
+    public function setWerbenetzwerk(?Werbenetzwerk $werbenetzwerk): self
+    {
+        $this->werbenetzwerk = $werbenetzwerk;
+        return $this;
+    }
 }
diff --git a/src/Entity/Werbenetzwerk.php b/src/Entity/Werbenetzwerk.php
index e7ded67..bc82150 100644
--- a/src/Entity/Werbenetzwerk.php
+++ b/src/Entity/Werbenetzwerk.php
@@ -10,11 +10,9 @@ use Doctrine\ORM\Mapping as ORM;
 class Werbenetzwerk
 {
     #[ORM\Id]
-    #[ORM\Column(type: 'string', length: 5)]
-    private string $werbenetzwerk;
-
-    #[ORM\Column(type: 'text')]
-    private string $name;
+    #[ORM\GeneratedValue]
+    #[ORM\Column(type: 'integer')]
+    private ?int $id = null;
 
     #[ORM\Column(type: 'float')]
     private float $umrechnungskurs;
@@ -33,26 +31,9 @@ class Werbenetzwerk
     }
 
     // Getters and Setters
-    public function getWerbenetzwerk(): string
+    public function getId(): ?int
     {
-        return $this->werbenetzwerk;
-    }
-
-    public function setWerbenetzwerk(string $werbenetzwerk): self
-    {
-        $this->werbenetzwerk = $werbenetzwerk;
-        return $this;
-    }
-
-    public function getName(): string
-    {
-        return $this->name;
-    }
-
-    public function setName(string $name): self
-    {
-        $this->name = $name;
-        return $this;
+        return $this->id;
     }
 
     public function getUmrechnungskurs(): float
diff --git a/update-schema.php b/update-schema.php
deleted file mode 100644
index baee014..0000000
--- a/update-schema.php
+++ /dev/null
@@ -1,22 +0,0 @@
-<?php
-// update-schema.php - Datenbank-Schema aktualisieren
-
-require_once 'doctrine-config.php';
-
-use Doctrine\ORM\Tools\SchemaTool;
-
-$classes = [
-    $entityManager->getClassMetadata('Entity\User'),
-    $entityManager->getClassMetadata('Entity\Kampagne'),
-    $entityManager->getClassMetadata('Entity\Werbenetzwerk'),
-];
-
-$schemaTool = new SchemaTool($entityManager);
-
-try {
-    // Schema updaten
-    $schemaTool->updateSchema($classes);
-    echo "Database schema updated successfully!\n";
-} catch (\Exception $e) {
-    echo "Error updating schema: " . $e->getMessage() . "\n";
-}