Best practice for structuring cloud data for a media app?

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I’m designing the data architecture for a media app that loads all content dynamically from the cloud (audio files + metadata like titles, descriptions and URLs).

The app automatically builds program lists based on this data.

I’m unsure about the best approach:

One global bucket/container for all programs

Separate buckets/containers per program

I’m optimizing for scalability, maintenance and future growth.

I’d really appreciate feedback from people with real-world experience.