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Nov 18, 2020
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Update README.md #37

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8 changes: 7 additions & 1 deletion README.md
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Expand Up @@ -111,7 +111,13 @@ By default, this should be accessible on your main serving port, at the `/metric
```swift
app.get("metrics") { req -> EventLoopFuture<String> in
let promise = req.eventLoop.makePromise(of: String.self)
try MetricsSystem.prometheus().collect(into: promise)
DispatchQueue.global().async {
do {
try MetricsSystem.prometheus().collect(into: promise)
} catch {
promise.fail(error)
}
}
return promise.futureResult
}
```
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