go-healthcheck

Register health endpoint

http.Handle("/health", utils.GetAppCheckerHandler())

Init and add more checker

package utils

import (
	"net/http"

	"github.com/andiwork/go-healthcheck"
)

func GetAppCheckerHandler() http.HandlerFunc {
	db, _ := GetInstance().GetDB().DB()
	checkerConfig := healthcheck.InitChecker()
	checkerConfig.AddDatabaseCheck(db)

	// Add new check

	// A check configuration to see if our database connection is up.
	// The check function will be executed for each HTTP request.
	/*
		checkerConfig.AddCheck(health.WithCheck(health.Check{
			Name:    "www.google.fr", // A unique check name.
			Timeout: 2 * time.Second, // A check specific timeout.
			Check:   healthcheck.TCPDialCheck("www.google.fr:443", 1*time.Second),
		}))
	*/

	// The following check will be executed periodically every 15 seconds
	// started with an initial delay of 3 seconds. The check function will NOT
	// be executed for each HTTP request.
	/*
		checkerConfig.AddCheck(health.WithPeriodicCheck(15*time.Second, 3*time.Second, health.Check{
			Name: "periodical",
			// The check function checks the health of a component. If an error is
			// returned, the component is considered unavailable (or "down").
			// The context contains a deadline according to the configured timeouts.
			Check: func(ctx context.Context) error {
				fmt.Println("This is a periodical check")
				return nil
			},
		}))
	*/

	return checkerConfig.GetCheckerHandler()
}