SImilar to python -m SimpleHTTPServer and node's http-server, only in Go.

Golang SimpleHTTPServer

//usr/bin/go run $0 $@ ; exit
package main
import (
   "fmt"; "log"; "net/http"
)
func main() {
 fmt.Println("Serving files in the current directory on port 8002")
   http.Handle("/", http.FileServer(http.Dir(".")))
   err := http.ListenAndServe(":8002", nil)
   if err != nil {
       log.Fatal("ListenAndServe: ", err)
   }
}