coolify/app/Jobs/CheckTraefikVersionJob.php

<?php

namespace App\Jobs;

use App\Enums\ProxyTypes;
use App\Models\Server;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;

class CheckTraefikVersionJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    public $tries = 3;

    public function handle(): void
    {
        // Load versions from cached data
        $traefikVersions = get_traefik_versions();

        if (empty($traefikVersions)) {
            return;
        }

        // Query all servers with Traefik proxy that are reachable
        $servers = Server::whereNotNull('proxy')
            ->whereProxyType(ProxyTypes::TRAEFIK->value)
            ->whereRelation('settings', 'is_reachable', true)
            ->whereRelation('settings', 'is_usable', true)
            ->get();

        if ($servers->isEmpty()) {
            return;
        }

        // Dispatch individual server check jobs in parallel
        // Each job will send immediate notifications when outdated Traefik is detected
        foreach ($servers as $server) {
            CheckTraefikVersionForServerJob::dispatch($server, $traefikVersions);
        }
    }
}