Monitor

Monitor middleware for Fiber that reports server metrics, inspired by express-status-monitor

Install

This middleware supports Fiber v3.

go get -u github.com/gofiber/fiber/v3
go get -u github.com/gofiber/contrib/monitor

Signature

monitor.New(config ...monitor.Config) fiber.Handler

Config

Property	Type	Description	Default
Title	string	Metrics page title.	Fiber Monitor
Refresh	time.Duration	Refresh period.	3 seconds
APIOnly	bool	Whether the service should expose only the montioring API.	false
Next	func(c *fiber.Ctx) bool	Define a function to add custom fields.	nil
CustomHead	string	Custom HTML code to Head Section(Before End).	empty
FontURL	string	FontURL for specilt font resource path or URL. also you can use relative path.	https://fonts.googleapis.com/css2?family=Roboto:wght@400;900&display=swap
ChartJsURL	string	ChartJsURL for specilt chartjs library, path or URL, also you can use relative path.	https://cdn.jsdelivr.net/npm/chart.js@2.9/dist/Chart.bundle.min.js

Example

package main

import (
    "log"

    "github.com/gofiber/fiber/v3"
    "github.com/gofiber/contrib/monitor"
)

func main() {
    app := fiber.New()

    // Initialize default config (Assign the middleware to /metrics)
    app.Get("/metrics", monitor.New())

    // Or extend your config for customization
    // Assign the middleware to /metrics
    // and change the Title to `MyService Metrics Page`
    app.Get("/metrics", monitor.New(monitor.Config{Title: "MyService Metrics Page"}))

    log.Fatal(app.Listen(":3000"))
}

Default Config

var ConfigDefault = Config{
	Title:      defaultTitle,
	Refresh:    defaultRefresh,
	FontURL:    defaultFontURL,
	ChartJsURL: defaultChartJSURL,
	CustomHead: defaultCustomHead,
	APIOnly:    false,
	Next:       nil,
}