setup Minio somewhere
Minio is an object storage server compatible with the S3 protocol. Head to https://minio.io/ to learn more.
Hint: You might want to use
MINIO_WORM=on to pretect against accidental or malicious deletion of your backups.
seperate users with iam policies
Since RELEASE.2018-10-18T00-28-58Z minio supports seperate users with attached IAM policies. Instead of (or additionally to) using
MINIO_WORM=on you could create a new user and attach a writeonly policy: