Laravel 5.4 GIF Images are saved "statically" - php

Question

I am working on this Laravel 5.4 Social Network Script and when I post something the avatar is being displayed "animated" but when it is being saved it is converted to an static image.
I have this in the controller TimelineController#createPost:
...
use App\Media;
use App\Post;
use Intervention\Image\Facades\Image;
...
public function createPost(Request $request)
{
$input = $request->all();
$post = Post::create($input);
...
if ($request->file('post_images_upload_modified')) {
foreach ($request->file('post_images_upload_modified') as $postImage) {
$strippedName = str_replace(' ', '', $postImage->getClientOriginalName());
$photoName = date('Y-m-d-H-i-s').$strippedName;
$avatar = Image::make($postImage->getRealPath());
$avatar->save(storage_path().'/uploads/users/gallery/'.$photoName, 60);
$media = Media::create([
'title' => $photoName,
'type' => 'image',
'source' => $photoName,
]);
$post->images()->attach($media);
}
}
...
}
...
It uses GD Library to process the images internally.
The file Image.php on /vendor/intervention/image/src/Intervention/Image/:
#method \Intervention\Image\Image make(mixed $source) Universal factory method to create a new image instance from source, which can be a filepath, a GD image resource, an Imagick object or a binary image data.
/**
* Starts encoding of current image
*
* #param string $format
* #param integer $quality
* #return \Intervention\Image\Image
*/
public function encode($format = null, $quality = 90)
{
return $this->driver->encode($this, $format, $quality);
}
/**
* Saves encoded image in filesystem
*
* #param string $path
* #param integer $quality
* #return \Intervention\Image\Image
*/
public function save($path = null, $quality = null)
{
$path = is_null($path) ? $this->basePath() : $path;
if (is_null($path)) {
throw new Exception\NotWritableException(
"Can't write to undefined path."
);
}
$data = $this->encode(pathinfo($path, PATHINFO_EXTENSION), $quality);
$saved = #file_put_contents($path, $data);
if ($saved === false) {
throw new Exception\NotWritableException(
"Can't write image data to path ({$path})"
);
}
// set new file info
$this->setFileInfoFromPath($path);
return $this;
}
The stored image is a GIF but resized despite it is not specified:
Do you know how to make the image animated when saved?