S3 Introduction
Currently supported S3 compatible storages are:

AWS (see the AWS guide for a detailed walkthrough)
DigitalOcean Spaces
MinIO
Cloudflare's R2
Backblaze B2
Scaleway Object Storage
Hetzner S3 Storage (beta)
Wasabi hot cloud storage
Vultr
CloudPe Object Storage
Other's could work, but not tested yet. If you test it, please let us know.

S3 Client
Coolify uses MinIO's client, called mc, …