feat: Prepare Zemailnator for Dokploy deployment

- Add highly optimized Dockerfile with Nginx and PHP-FPM 8.4
- Add docker-compose.yml configured with Redis and MariaDB 10.11
- Implement entrypoint.sh and supervisord.conf for background workers
- Refactor legacy IMAP scripts into scheduled Artisan Commands
- Secure app by removing old routes with hardcoded basic auth credentials
- Configure email attachments to use Laravel Storage instead of insecure public/tmp

app/Models/Message.php

@@ -2,10 +2,10 @@
 
 namespace App\Models;
 
-use DateTimeImmutable;
 use App\ColorPicker;
 use Carbon\Carbon;
 use DateTime;
+use DateTimeImmutable;
 use Ddeboer\Imap\Search\Email\Cc;
 use Ddeboer\Imap\Search\Email\To;
 use Ddeboer\Imap\SearchExpression;
@@ -41,7 +41,7 @@ class Message extends Model
             $message->attachments = $request->get('attachment-info');
             $message->save();
             $directory = './attachments/'.$message->id;
-            if (!is_dir($directory)) {
+            if (! is_dir($directory)) {
                 mkdir($directory, 0777, true);
             }
             $attachment_ids = json_decode((string) $request->get('attachment-info'));
@@ -146,7 +146,7 @@ class Message extends Model
             $blocked = false;
             $sender = $message->getFrom();
             $date = $message->getDate();
-            if (!$date instanceof DateTimeImmutable) {
+            if (! $date instanceof DateTimeImmutable) {
                 $date = new DateTime;
                 if ($message->getHeaders()->get('udate')) {
                     $date->setTimestamp($message->getHeaders()->get('udate'));
@@ -193,7 +193,7 @@ class Message extends Model
             if ($message->hasAttachments() && ! $blocked) {
                 $attachments = $message->getAttachments();
                 $directory = './tmp/attachments/'.$obj['id'].'/';
-                if (!is_dir($directory)) {
+                if (! is_dir($directory)) {
                     mkdir($directory, 0777, true);
                 }
                 foreach ($attachments as $attachment) {