diff --git a/app/Http/Controllers/ArquivoController.php b/app/Http/Controllers/ArquivoController.php
index 2304070..9bc8276 100644
--- a/app/Http/Controllers/ArquivoController.php
+++ b/app/Http/Controllers/ArquivoController.php
@@ -94,7 +94,9 @@ public function show(Arquivo $arquivo)
         $this->authorize('chamados.view', $arquivo->chamado);
 
         //https://stackoverflow.com/questions/39329299/laravel-file-downloaded-from-storage-folder-gets-corrupted
-        ob_end_clean();
+        if (ob_get_level() > 0) {
+            ob_end_clean();
+        }
 
         return Storage::download($arquivo->caminho, $arquivo->nome_original);
     }
diff --git a/dokku-deploy/release.sh b/dokku-deploy/release.sh
new file mode 100755
index 0000000..0bfb398
--- /dev/null
+++ b/dokku-deploy/release.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+mkdir -p storage/framework/cache storage/framework/sessions storage/framework/views storage/logs bootstrap/cache
+chown -R www-data:www-data storage bootstrap/cache
+chmod -R 775 storage bootstrap/cache
+
+composer install --no-dev --optimize-autoloader --no-interaction
+php artisan migrate --force