Define named ngrok endpoints in ngrok.yml to run repeatable, multiple tunnels
domain: ngrok.com · 6 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
Open/edit the config: `ngrok config edit` (find the path first with `ngrok config check`)
Define endpoints under the `endpoints:` list; each has a `name`, a `url` (your reserved domain), and an `upstream` block with `url: <port>` and `protocol`:
Start one or more named endpoints: `ngrok start api` or `ngrok start api other` (space-separated names start multiple)
Merge extra configs at runtime: `ngrok http --config config1.yml,config2.yml 80` — later files override earlier scalar values, maps merge per key, lists take the last value
Docs: https://ngrok.com/docs/agent/config/
Known gotchas
YAML is whitespace-sensitive — use spaces only (no tabs) and keep keys at the same column; inconsistent indentation causes parse failures
Validate before starting with `ngrok config check` to catch indentation errors early
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