Update Dockerfile

Dockerfile

@@ -50,6 +50,7 @@ RUN chmod +x /entrypoint.sh
 # Create required directories
 RUN mkdir -p /run/nginx /run/mysqld /var/lib/mysql /var/log/mariadb /var/log/supervisor \
     && mkdir -p /app/www/runtime/temp /app/www/runtime/cache /app/www/runtime/session /app/www/runtime/log \
+    && mkdir -p /app/www/public/storage \
     && chown -R mysql:mysql /var/lib/mysql /var/log/mariadb /run/mysqld \
     && chown -R nginx:nginx /app/www \
     && chown -R nginx:nginx /run/php \