Ok, the problem is clear:

• Your composer based Drupal site put code base to the /web folder
• You are using a shared hosting which maps your primary domain to /public_html, and you can't change that

Now your users will have to browse your site as http://example.com/web . And it is not cool.

So how to serve your site from the subfolder /public_html/web but removing the /web suffix so it becomes transparent to users?

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