The S3 node is great, but it would be greater with S3 support with Supabase ! 
Thanks for considering !
@NiKoolass The S3 node does now work with supabase, It was fixed in 1.83.0 in this PR: fix(S3 Node): Fix issue when connecting to Supabase storage by Joffcom · Pull Request #13667 · n8n-io/n8n · GitHub