middleware

func Prometheus ¶

func Prometheus() echo.MiddlewareFunc

Prometheus returns an Echo v5 middleware that records Prometheus metrics for every HTTP request.

Metrics recorded:

• http_requests_total: counter by method, path, status
• http_request_duration_seconds: histogram by method, path, status
• http_requests_in_flight: gauge of concurrent requests

Usage:

e := echo.New()
e.Use(middleware.Prometheus())