set custom tcp keepAlive timeout on http server

httpTCPkeepalive.go

package main

import (
	"context"
	"fmt"
	"log"
	"net"
	"net/http"
	"time"
)

func greet(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "Hello World! %s", time.Now())
}

func main() {
	addr := ":8080"
	server := &http.Server{Addr: addr, Handler: nil}

	// set listen config tcp keeyAlive
	lc := net.ListenConfig{KeepAlive: 60 * time.Second}
	ln, err := lc.Listen(context.Background(), "tcp", addr)
	if err != nil {
		panic(err)
	}
	defer ln.Close()

	http.HandleFunc("/", greet)
	log.Fatal(server.Serve(ln))
}