Error : can't upload a file on iphone app and from the domain

Hello, I really need help because I can’t upload any files from my device to my Nextcloud Docker container. I’m using an Nginx reverse proxy to access it from WAN. I have already configured my Nginx reverse proxy and my config.php file in the Nextcloud Docker container with overwriteprotocol set to https and trusted_proxies. I can connect to my domain on my devices, but I can’t upload files!
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