s3 alternative: minio

https://min.io/

Install

docker run --name minio-service \
  -d --restart=always \
  -p 9000:9000 \
  -e "MINIO_ACCESS_KEY=[user]" \
  -e "MINIO_SECRET_KEY=[password]" \
  -v /mnt/data:/data \
  quay.io/minio/minio server /data --console-address ":9001"

• Test:

  curl -I https://minio.example.net:9000/minio/health/cluster
  

check if ok.