diff --git a/scripts/config/docker/docker_config_setup_data.sh b/scripts/config/docker/docker_config_setup_data.sh
index dcabc15..82aa286 100755
--- a/scripts/config/docker/docker_config_setup_data.sh
+++ b/scripts/config/docker/docker_config_setup_data.sh
@@ -20,6 +20,14 @@ dockerConfigSetupFileWithData()
         tagsManagerUpdateUniversalTag "$full_file_path" "TIMEZONE_TAG" "$CFG_TIMEZONE"
         tagsManagerUpdateUniversalTag "$full_file_path" "CATEGORY_TAG" "$app_category"
         tagsManagerUpdateUniversalTag "$full_file_path" "TITLE_TAG" "$app_title"
+        # Root-path tags used by the libreportal compose to bind-mount the system's
+        # configs + live-data dirs into the WebUI container. Without these the
+        # CONFIGS_DIR_DATA / CONTAINERS_DIR_DATA placeholders survive into the
+        # deployed compose and dockerComposeUp refuses to start. (The orphan
+        # tagsProcessorStandardReplacements function carried these alone — wiring
+        # them in directly so they're always applied to every app's templating.)
+        tagsManagerUpdateUniversalTag "$full_file_path" "CONFIGS_DIR_TAG" "${configs_dir%/}"
+        tagsManagerUpdateUniversalTag "$full_file_path" "CONTAINERS_DIR_TAG" "${containers_dir%/}"
         # Generic CFG_<APP>_<KEY> -> #LIBREPORTAL|<APP>_<KEY>_TAG| fill. Covers
         # every app-specific config value (secrets included) with no
         # hand-maintained list — the app-specific block further down is only