From DevOps point of view some functionality should be moved outside an application backe-end, say to front-end layer to just make things easier. I’d like to share simple solutions we use on production.

What Nginx as a powerful web-server can do for us: - Secure pseudo-streaming FLV/MP4 files with short-lived URLs link - Direct Upload without back-end link - Proxy S3 files with URL masking link