I was setting up R2 on my site following some guides here but no I just see a generic Sorry, but your upload failed. Please try again. message when I try to upload a file. The only thing I see in the logs are this: [image] I have my URLs configured in the app.yml file because the web UI was rejec…

[imagen] darkpixlz: Token is configured properly too [image] you created the wrong token type - you have a general API token. you need to create an R2 bucket token: [Screenshot 2026-06-21 at 5.26.37 PM] [Screenshot 2026-06-21 at 5.30.38 PM] go to the cloudflare dashboard → R2 object s…

Hey, Is it not because of the final slashs (/) in the s3 cdn url and the s3 endpoint?

are these the guides you followed? are you certain your upload bucket is named “discourse”? [imagen] Configure an S3 compatible object storage provider for uploads Self-Hosting information_source This topic covers how to configure some common S3 compatible Ob…

[imagen] Lilly: are these the guides you followed Yes, the first one is what I followed [imagen] Lilly: are you certain your upload bucket is named “discourse”? Correct [image] I’ll try removing the slashes and will follow up

I removed the trailing slashes, still no luck. Same Unauthorized error. Token is configured properly too [image]

are you certain the cloudflare R2 token has read/write permission and did you correctly configure the CORS policy? i know you have a bit of a unique server configuration, and the cloudflare bucket permissions and configuration need to be exactly correct or it will throw permissions errors.

Thanks, turns out that was the problem.. needlessly confusing but that’s Cloudflare’s fault

yea the cloudflare dashboard can be a hornet’s nest of configuration lol. glad you got it fixed!

No se puede subir a S3 (Cloudflare R2)

Soporte

Lilly (Lillian ) 22 Junio, 2026 00:32 9

Sí, el panel de Cloudflare puede ser un nido de avispas de configuración, jaja. ¡Me alegra que lo hayas solucionado!

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No se puede subir a S3 (Cloudflare R2)

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