Docker startup: поддержка legacy DJANGO_SETTINGS_MODULE config.settings.*

- Нормализация config.settings.* -> settings.* во всех entrypoint-скриптах

- Устраняет ModuleNotFoundError: No module named 'config' при старте в Dokploy

docker/scripts/migrate.sh

@@ -4,6 +4,18 @@ set -eu
 export DJANGO_SETTINGS_MODULE="${DJANGO_SETTINGS_MODULE:-settings.dev}"
 export STARTUP_COMPONENT="migrate"
 
+case "${DJANGO_SETTINGS_MODULE}" in
+  config.settings.development|config.settings.dev)
+    export DJANGO_SETTINGS_MODULE="settings.dev"
+    ;;
+  config.settings.production)
+    export DJANGO_SETTINGS_MODULE="settings.production"
+    ;;
+  config.settings.test)
+    export DJANGO_SETTINGS_MODULE="settings.test"
+    ;;
+esac
+
 /app/docker/scripts/check-deps.sh
 
 python src/manage.py migrate --noinput