In-House Alternative to AWS S3 - Minio

https://www.univention.com/blog-en/2018/03/minio-the-secure-alternative-to-amazon-s3-for-object-storage/

https://min.io/

Elixir Integration - https://medium.com/@quatermain32/elixir-vs-object-storage-in-aws-s3-style-baba76830543