diff --git a/.env.sample b/.env.sample
index 79dd4b8..de18254 100644
--- a/.env.sample
+++ b/.env.sample
@@ -44,6 +44,13 @@ DEFAULT_QUOTA="10 GB"
 # MAIL_DOMAIN=
 # SECRET_SMTP_PASSWORD_VERSION=v1
 
+## Customization
+# THEMING_COLOR=
+# THEMING_SLOGAN=
+# COPY_ASSETS="flow_background.jpg|app:/var/www/html/themes/background.jpg"
+# COPY_ASSETS="$COPY_ASSETS icon_left_brand.svg|app:/var/www/html/themes/logo.svg"
+# COPY_ASSETS="$COPY_ASSETS icon.png|app:/web/dist/assets/icons/icon.png"
+
 # APPS="calendar"
 
 # COLLABORA_URL=https://collabora.example.com
diff --git a/abra.sh b/abra.sh
index 3285a3f..ca88380 100644
--- a/abra.sh
+++ b/abra.sh
@@ -52,6 +52,27 @@ set_logfile_stdout() {
     set_system_config logfile '/dev/stdout'
 }
 
+customize() {
+    if [ -z "$1" ]
+    then
+            echo "Usage: ... customize <assets_path>"
+            exit 1
+    fi
+    asset_dir=$1
+    for asset in $COPY_ASSETS; do
+        source=$(echo $asset | cut -d "|" -f1)
+        target=$(echo $asset | cut -d "|" -f2)
+        echo copy $source to $target
+        abra app cp $APP_NAME $asset_dir/$source $target
+    done
+
+    abra app cmd -T $APP_NAME app set_app_config theming color \"$THEMING_COLOR\"
+    abra app cmd -T $APP_NAME app set_app_config theming slogan \"$THEMING_SLOGAN\"
+    abra app cmd -T $APP_NAME app run_occ "theming:config background \"/var/www/html/themes/flow_background.jpg\""
+    abra app cmd -T $APP_NAME app run_occ "theming:config logo \"/var/www/html/themes/icon_left_brand.svg\""
+    abra app cmd -T $APP_NAME app run_occ "theming:config logoheader \"/var/www/html/themes/icon.png\""
+}
+
 install_bbb() {
     install_apps bbb
     set_app_config bbb app.navigation true
@@ -121,8 +142,3 @@ set_authentik() {
     run_occ 'config:system:set allow_user_to_change_display_name --value=false'
     run_occ 'config:system:set lost_password_link --value=disabled'
 }
-
-
-disable_skeletondirectory() {
-    run_occ "config:system:set skeletondirectory --value ''"
-}