So the IC can't store files well either?

[jzxchiang]

This might be relevant as well:

OpenChat: A Truly Decentralized Alternative to WhatsApp

We run a Rust program to install / upgrade canisters. Good timing though… we’ve just this second made the OpenStorage repo public! This is the system we use to store files sent in OpenChat and we install / upgrade canisters using essentially the same technique here as in OpenChat. See here - open-storage/utils.rs at main · open-ic/open-storage · GitHub