package main import ( "io" "os" "fmt" "strings" "net/http" "nginx/unit" ) func handler(w http.ResponseWriter, r *http.Request) { args := strings.Join(os.Args[1:], ",") w.Header().Add("X-Arg-0", fmt.Sprintf("%v", os.Args[0])) w.Header().Add("Content-Length", fmt.Sprintf("%v", len(args))) io.WriteString(w, args) } func main() { http.HandleFunc("/", handler) unit.ListenAndServe(":7080", nil) }