diff --git a/Dockerfile b/Dockerfile
index a0d97f0..4d7df5e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,8 @@
 # FROM nextcloud:28.0.1-apache
 # FROM nextcloud:29.0.3-apache
 # FROM nextcloud:30.0.4-apache
-FROM nextcloud:31.0.0-apache
+# FROM nextcloud:31.0.0-apache
+FROM nextcloud:31.0.4-apache
 
 # This is a stupid comment for a demo (remove later)
 
diff --git a/README.md b/README.md
index b5939a1..35bd1a2 100644
--- a/README.md
+++ b/README.md
@@ -22,11 +22,23 @@ ssh dokku@buddha-apps.boldcode.io app-json:set cloud appjson-path /app/app.json
 
 Run after install
 
-    config:app:set files_lock lock_timeout --value '30' 
-    config:app:set files max_chunk_size --value 20971520
-
     # FIXME: config:global:set --value '/Shared' share_folder
 
+    # set file lock timeout
+    ./occ config:app:set files_lock lock_timeout --value '30' 
+
+    # set file chunk size
+    ./occ config:app:set files max_chunk_size --value 20971520
+
+    # set maintenance window
+    ./occ config:system:set maintenance_window_start --type=integer --value=1
+
+
+Add this in dokku nginx
+
+    rewrite ^/\.well-known/carddav https://$server_name/remote.php/dav/ permanent;
+    rewrite ^/\.well-known/caldav https://$server_name/remote.php/dav/ permanent;
+
 Add this in crontab
 
     dokku enter cloud web su -l -s /bin/bash - www-data -c "cd html && php -dmemory_limit=-1 ./occ app:update --all"