diff --git a/README.md b/README.md
index bd45477..a3bc3cd 100644
--- a/README.md
+++ b/README.md
@@ -162,7 +162,7 @@ Tips: https://support.google.com/accounts/answer/185833?hl=en
 >
 > The path of the email config file that is using these environment variables is located at: [`/lib/config/sendmail.php`](https://github.com/TanHongIT/new-mvc-shop/tree/master/lib/config/sendmail.php)
 
-# 7. Install with Docker
+# 7. Install with Docker (Optional)
 
 > Note: 
 > 
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 76912b9..6422391 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -34,5 +34,7 @@ COPY --from=composer/composer /usr/bin/composer /usr/local/bin/composer
 
 WORKDIR /var/www/html
 
+RUN chown -R www-data:www-data /var/www/html
+
 EXPOSE 80
 EXPOSE 443