post is saving in database but not showing in browser :laravel

hi m working on showing a post, when i post data with image then my data stored in db (image is also storing into destination folder) but not showing on browser, here is code of page(index.blade.php) on which m trying to show post:

 @extends('layouts.app')

 @section('content')

  @if(count($posts)>0)
   @foreach($posts as post)
   <h2></h2>
   @if($post->thumbnail)
    <img style="height:200px" src="" 
    alt=""/>
     @endif
     <p></p>
   @endforeach
   @else
  <p>No Post Found....</p>
   @endif

  @endsection

via Chebli Mohamed