fly deploy fails with: Failed to fetch an image or build from source

[mayailurus]

Hi… I think this more specific thread is what he was implicitly referring to, regarding “bad tag”:

https://community.fly.io/t/hexpm-elixir-1-18-4-erlang-27-3-4-debian-bullseye-20250610-slim-not-found/25181

Hope this helps!