Reference
Remy Reference/admin/Upload a file
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Upload a file

Uploads a file to a store; returns an immutable, content-addressed URL.
admin.files.put({ content, store: "assets", access: "public" })

Uploads a file to a store, up to 5 GiB, streaming directly to storage. With --public, it returns an immutable, content-addressed CDN URL to paste into the app, so a hero image or logo never has to be committed to the repo.

Parameters
--public
flag
Make the file world-readable.
CLI
remy-admin files put --public ./hero.jpg