Share you directory via http server by golang.

http_serv.go

package main

import(
    "net/http"
    "fmt"
)

func main() {
    
    var (
        dir string
        port string
    )

    fmt.Printf("Please input which directory\nwhat you want to share, start with \"/\":\n")
    fmt.Scanf("%s",&dir)
    h := http.FileServer(http.Dir(dir))
    fmt.Printf("Please input port Number: \n")
    fmt.Scanf("%s",&port)
    http.ListenAndServe(":"+port, h)
}