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 to fix this issue. Will I have to set a amazon SC3 to prevent it happen again?

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

Failed Uploading Avatar and Photos

supermathie (Michael Brown) June 3, 2026, 4:01pm 2

Which option have you chosen for upload storage?

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