Share you directory via http server by golang.

http_serv.go

package main

import (
	"flag"
	"fmt"
	"log"
	"net/http"
	"strconv"
)

func main() {
	dir := flag.String("dir", "", "Directory path you want to share (start with / or ./)")
	port := flag.Int("port", 8080, "Port number to listen")

	flag.Parse()

	if *dir == "" {
		flag.Usage()
		return
	}

	h := http.FileServer(http.Dir(*dir))
	fmt.Scanf("%s", &port)
	fmt.Println("Listening to 0.0.0.0:" + strconv.Itoa(*port) + "\n")
	err := http.ListenAndServe(":"+strconv.Itoa(*port), h)
	if err != nil {
		log.Fatal("ListenAndServe: ", err)
	}
}