package main import ( "fmt" "net/http" ) func main() { currentConfig := setConfig() listen := currentConfig.host + ":" + currentConfig.port http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { _, err := fmt.Fprintf(w, "Hello, you're at %s", r.URL.Path) if err != nil { return } }) err := http.ListenAndServe(listen, nil) if err != nil { return } }