Added error 404 handler.

cmd/dwelling-home/main.go

@@ -51,6 +51,8 @@ func main() {
 	hand := http.NewHandlers(*captchaExpiry, *databasesPath, *guestbookOwner, *guestbookPageSize)
 	srv := http.NewHttpServer()
 
+	srv.SetNotFoundHandler(hand.NotFound)
+
 	srv.ServeStatic("/assets/*filepath", hand.AssetsFS())
 	srv.GET("/", hand.Index)
 	srv.GET("/stuff", hand.Stuff)

internal/http/handlers.go

@@ -81,3 +81,7 @@ func (h *Handlers) Robots(w http.ResponseWriter, r *http.Request) {
 	data, _ := web.AssetsGetFile("robots.txt")
 	w.Write(data)
 }
+
+func (h *Handlers) NotFound(w http.ResponseWriter, r *http.Request) {
+	web.NotFound("Not Found", w)
+}

web/web.go

@@ -17,6 +17,8 @@ import (
 
 //go:generate $GOPATH/bin/jade -basedir ./templates -pkg=web -stdbuf -stdlib -writer article.pug
 
+//go:generate $GOPATH/bin/jade -basedir ./templates -pkg=web -stdbuf -stdlib -writer error404.pug
+
 //go:embed assets
 var assetsDir embed.FS