addresses: add constraint in database to avoid error later

src/Bundle/ChillMainBundle/migrations/Version20220413225830.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Chill\Migrations\Main;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20220413225830 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Set postal code in chill_main_address NOT NULL';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_main_address ALTER COLUMN postcode_id SET NOT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_main_address ALTER COLUMN postcode_id DROP NOT NULL');
+
+    }
+}