Expose a local web server with a Cloudflare quick tunnel (no account needed)
domain: developers.cloudflare.com · 5 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
Install cloudflared (the Cloudflare Tunnel connector), e.g. `brew install cloudflared` on macOS or via the downloads page at https://developers.cloudflare.com/cloudflare-one/connections/connect-networks/do-more-with-tunnels/downloads/; use version 2020.5.1 or later.
Start a local server on a port, e.g. `python3 -m http.server 8080`.
Run `cloudflared tunnel --url http://localhost:8080`.
cloudflared prints a random public URL on trycloudflare.com, e.g. https://<random>.trycloudflare.com, proxying to your localhost:8080.
Share the URL; keep the process running to hold the tunnel open.
Known gotchas
Quick tunnels generate a NEW random subdomain each time and disappear when the process exits - use them only for testing/development.
Quick tunnels are unsupported if a config.yaml exists in ~/.cloudflared; rename it temporarily if startup fails.
Hard limit of 200 in-flight requests (returns HTTP 429 when exceeded); SSE (Server-Sent Events) is not supported.
No SLA/uptime guarantee - for production use a remotely-managed tunnel instead.
Official docs: https://developers.cloudflare.com/cloudflare-one/connections/connect-networks/do-more-with-tunnels/trycloudflare/
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