add sitemap.xml

main.go

@@ -398,6 +398,37 @@ func (s *Server) linuxHandler(w http.ResponseWriter, r *http.Request) {
 	s.renderTemplate(w, "linux.html", data)
 }
 
+// sitemapHandler serves the XML sitemap
+func (s *Server) sitemapHandler(w http.ResponseWriter, r *http.Request) {
+	baseURL := "https://" + s.config.Domain
+	pages := []struct {
+		Path       string
+		Priority   string
+		ChangeFreq string
+	}{
+		{"/", "1.0", "weekly"},
+		{"/diensten", "0.9", "monthly"},
+		{"/linux", "0.8", "monthly"},
+		{"/over-mij", "0.7", "monthly"},
+		{"/contact", "0.5", "yearly"},
+	}
+
+	var sb strings.Builder
+	sb.WriteString(`<?xml version="1.0" encoding="UTF-8"?>` + "\n")
+	sb.WriteString(`<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">` + "\n")
+	for _, p := range pages {
+		sb.WriteString("  <url>\n")
+		fmt.Fprintf(&sb, "    <loc>%s%s</loc>\n", baseURL, p.Path)
+		fmt.Fprintf(&sb, "    <changefreq>%s</changefreq>\n", p.ChangeFreq)
+		fmt.Fprintf(&sb, "    <priority>%s</priority>\n", p.Priority)
+		sb.WriteString("  </url>\n")
+	}
+	sb.WriteString(`</urlset>` + "\n")
+
+	w.Header().Set("Content-Type", "application/xml; charset=utf-8")
+	w.Write([]byte(sb.String()))
+}
+
 // setupRoutes configures all HTTP routes
 func (s *Server) setupRoutes() {
 	// Static files
@@ -414,6 +445,7 @@ func (s *Server) setupRoutes() {
 	http.HandleFunc("/over-mij", s.aboutHandler)
 	http.HandleFunc("/diensten", s.dienstenHandler)
 	http.HandleFunc("/linux", s.linuxHandler)
+	http.HandleFunc("/sitemap.xml", s.sitemapHandler)
 	http.HandleFunc("/health", s.healthHandler)
 }