Permission denied with fopen() and fwrite() in Docker LAMP stack

[rimelek (Ákos Takács)]

I am glad you got help even though you forgot to use code block for the code so a big part of your post was hidden. I edited your original post so the screenshots are visible and your PHP code is readable. Please, always format your post as described in the following topic:

How to format your forum posts

The Docker forum is using Discourse, which supports several ways to format your posts: Markdown; see commonmark.org/help for an interactive tutorial BBCode A small selection of HTML Any combination of the above Blank lines for formatting and readability Quite often you’ll need an empty line above specific formatting to make it work. You also need to type blank lines to create proper paragraphs; just pressing Return once and then typing a new block of text right below a previous block only…