如何在容器内生成与本地用户具有相同权限的文件？

Whenever I generate a file inside the php container, this file is root, I always need to give chmod -R 777 to be able to edit and this is very annoying, for example, my user is rafaelconceicao and inside the container the permissions are for root and one user that is a sequence of numbers 296823135, whenever I generate a new file, it remains the root permission, making it impossible for me to do the editing. What should I do? (My system is Fedora 27)Whenever I generate a file inside the php conta