Fix Docker 'No Space Left on Device' in Container - Resolve Nginx 403 Forbidden with SELinux Fixes-How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte

Extra verification checklist

• Restart the affected app after changing permissions or configuration files.
• Test the same workflow in a clean browser profile or a temporary user account.
• Compare the result on another network if the error may be connection related.