cache images

docker/caddy/conf/Caddyfile

@@ -9,6 +9,9 @@ https://ru.homyk.space {
     }
 
     handle_path /main/* {
+        @images path_regexp \.(jpg|jpeg|png|webp|gif|svg)$
+        header @images Cache-Control "public, max-age=604800"
+
         forward_auth backend:{$PORT} {
             uri /api/verify
             copy_headers Authorization