The hello world of Go servers (with a health check)

main.go

package main

import (
	"net/http"

	"github.com/go-chi/chi"
	"github.com/go-chi/chi/middleware"
)

func main() {
	r := chi.NewRouter()
	r.Use(middleware.Heartbeat("/health"))
	r.Get("/", func(w http.ResponseWriter, r *http.Request) {
		w.Write([]byte("Hello, World!"))
	})
	http.ListenAndServe(":3000", r)
}