package main

import (
	"net/http"
)

type respExampleHandler int

func (hello respExampleHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("my-http-header", "Ein beliebiger Text")
	w.Header().Set("Content-Type", "text/html; charset=utf-8")
	w.WriteHeader(http.StatusFound)
	w.Write([]byte("<h1>Dies ist eine HTML-Überschrift<h1>"))
}

func main() {
	var r respExampleHandler
	http.ListenAndServe("localhost:8080", r)
}