Update container-run.md - #320

$remoteSocket ='192.168.85.34:2375';
$ssl = false;

// Connect to Docker
$client = DockerClientFactory::create([
'remote_socket' => $remoteSocket,
'ssl' => $ssl
]);
$docker = Docker::create($client);

$config = new ContainersCreatePostBody();
$config->setTty(true);
$config->setOpenStdin(true);
$config->setAttachStderr(false);
$config->setAttachStdout(false);
$config->setAttachStdin(false);
$config->setStdinOnce(false);
$config->setImage("test:2");

 $creation = $docker->containerCreate($config);



$docker->containerStart($creation->getId());

$execConfig = new ContainersIdExecPostBody();
$execConfig->setTty(true);
$execConfig->setAttachStdout(true);
$execConfig->setAttachStderr(true);
$execConfig->setAttachStdin(true);
$execConfig->setCmd(['/bin/bash']);

$execid = $docker->containerExec($creation->getId(),$execConfig)->getId();
$execStartConfig = new ExecIdStartPostBody();
$execStartConfig->setDetach(false);

// Execute the command
$stream = $docker->execStart($execid,$execStartConfig);

$stream->onStdout(function ($stdout)  {
    echo $stdout;

});
$stream->onStderr(function ($stderr) {
    print_r("err: ".$stderr."\n");
});

$stream->wait();