Host

Upload any file to Cloudflare R2 and get back a shareable public URL.

SCRIPTS below refers to the scripts/ directory next to this file.

Prerequisites

• Wrangler CLI — the Cloudflare developer CLI used for all R2 operations
• Cloudflare account with an R2 bucket that has public access enabled (r2.dev subdomain or custom domain)
• Wrangler authenticated via one of:
  • wrangler login (interactive OAuth — run once, token persists in ~/.wrangler)
  • CLOUDFLARE_API_TOKEN environment variable

Step 1 — Check prerequisites

Wrangler installation

Check if wrangler is available: