GetChiPathPattern will use the chi context to return the Route Pattern associated with the provided requests context.

NewHTTPServerMetricsMiddleware returns a new Prometheus Middleware handler.

NewStatusResponseWriter returns a ProxyResponseWriter which allows us to access the outgoing response status.

Middleware is a handler which exposes prometheus metrics.

StatusResponseWriter implements the http.ResponseWriter interface and allows us access to the response status through the .Status() function.

ProxyResponseWriter is a proxy for a http.ResponseWriter allowing you to access the various parts of the response at a later date.