Simple Sitemap HTTP Handler in Go

package web

func SitemapXMLHandler(domain string, paths []string) http.HandlerFunc {
	v := "<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">\n"
	for _, path := range paths {
		v += "\t<url>\n"
		v += "\t<loc>https://" + domain + path + "</loc>\n"
		v += "\t</url>\n"
	}
	v += "</urlset>\n"

	return func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "text/xml; charset=utf-8")
		w.Header().Set("X-Content-Type-Options", "nosniff")
		w.WriteHeader(http.StatusOK)
		io.WriteString(w, v)
	}
}