I don’t know why I cannot upload attachments, such as photos after a successful Discourse Docker installation. And If I choose an avatar at Discourse ID before I log in a new account, the avatar can be displayed correctly. When I try to later on change a avatar, it fails again. I want to know how …

Which option have you chosen for upload storage?

Local Storage Finally it resolved because I found the issue is on CDN Cloudflare,

فشل في رفع الصورة الشخصية والصور

LetITFly (LetITFly) 29 يونيو 2026، 4:30م 3

التخزين المحلي

أخيراً تم حل المشكلة لأنني اكتشفت أن المشكلة كانت في خدمة CDN Cloudflare،

الموضوع		الردود	مرات العرض
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Avatar uploads broken on subfolder installs? Bug	18	1861	30 أكتوبر 2018
Uploaded figures dont show Self-hosting	5	1298	22 يوليو 2015
Avatar upload failing Bug	14	1653	10 سبتمبر 2018