feat: better caching headers for images

internal/server/server.go

@@ -27,10 +27,16 @@ func Start(ctx context.Context, cfg config.Cfg) (err error) {
 		cfg:  cfg,
 	}
 
+	hander, err := s.allRoutes()
+	if err != nil {
+		err = fmt.Errorf("could not setup routes: %w", err)
+		return
+	}
+
 	// Declare Server config
 	srv := &http.Server{
 		Addr:         fmt.Sprintf(":%d", s.port),
-		Handler:      s.RegisterRoutes(),
+		Handler:      hander,
 		IdleTimeout:  time.Minute,
 		ReadTimeout:  10 * time.Second,
 		WriteTimeout: 30 * time.Second,
@@ -45,7 +51,7 @@ func Start(ctx context.Context, cfg config.Cfg) (err error) {
 		// Shutdown server when ctx done
 		if err = srv.Shutdown(context.Background()); err != nil {
 			// Error from closing listeners, or context timeout:
-			err = fmt.Errorf("error whilse shutting down server: %w", err)
+			err = fmt.Errorf("error while shutting down server: %w", err)
 		}
 
 		close(idleConnsClosed)
@@ -53,7 +59,7 @@ func Start(ctx context.Context, cfg config.Cfg) (err error) {
 
 	slog.Info("starting server", "address", srv.Addr)
 	if err := srv.ListenAndServe(); err != http.ErrServerClosed {
-		return fmt.Errorf("error while server ListenAndServe: %w", err)
+		return fmt.Errorf("error while serving: %w", err)
 	}
 
 	<-idleConnsClosed