title: Laravel websockets error on productions serve
body: <p>im trying to deploy a laravel websockets:serve on a digital ocean droplet,  i've created a command using supervisor to launch the serve but im getting this error</p>
  <pre><code>Starting the WebSocket server on port 6001...
  
     RuntimeException
  
    Failed to listen on &quot;tcp://0.0.0.0:6001&quot;: Address already in use
  
    at /var/www/taller/vendor/react/socket/src/TcpServer.php:172
      168|             \STREAM_SERVER_BIND | \STREAM_SERVER_LISTEN,
      169|             \stream_context_create(array('socket' =&gt; $context + array('backlog' =&gt; 511)))
      170|         );
      171|         if (false === $this-&gt;master) {
    &gt; 172|             throw new \RuntimeException('Failed to listen on &quot;' . $uri . '&quot;: ' . $errstr, $errno);
      173|         }
      174|         \stream_set_blocking($this-&gt;master, false);
      175|
      176|         $this-&gt;resume();
  
        ^[[2m+17 vendor frames ^[[22m
    18  /var/www/taller/artisan:37
        Illuminate\Foundation\Console\Kernel::handle()
  </code></pre>
  <p>This is the command to executed with supervisor</p>
  <pre><code>[program:command-socket]
  process_name=%(program_name)s_%(process_num)02d
  command=php /var/www/taller/artisan websockets:serve
  autostart=true
  autorestart=true
  user=root
  numprocs=8
  redirect_stderr=true
  stdout_logfile =/var/www/taller/worker_socket.log                                
  </code></pre>