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@@ -76,6 +76,15 @@ GNU AGPL v3 or higher (see file License) seems to work. 12. You may want to install a cronjob to cleanup dudle polls. See dudle_cleanup for an example. +13. You can enable a maintenance mode if you need to change something + with your installation. Using this mode, all users will see a static + message and are not able to change anything. In order to enable this + mode, create a file named `/maintenance.html` which may include a + custom message. E.g.: + + ```sh + echo "<div>We are updating the servers and expect to be online on 0 am, January 1st, 1970 (UTC).</div>" > $DUDLE_INSTALLATION_PATH/maintenance.html + ``` # Docker image There are two docker image available |