fix: compose yml did not translate env vars for matienence mode. fixed,

docker-compose.yml

@@ -34,6 +34,7 @@ services:
       EMAIL_VERIFY_DEV_CODE_EXPOSE: ${EMAIL_VERIFY_DEV_CODE_EXPOSE:-false}
       BREAK_GLASS_VERIFY_ENABLED: ${BREAK_GLASS_VERIFY_ENABLED:-false}
       BREAK_GLASS_VERIFY_CODE: ${BREAK_GLASS_VERIFY_CODE:-}
+      UNDER_CONSTRUCTION_ENABLED: ${UNDER_CONSTRUCTION_ENABLED:-false}
       UPDATE_NOTICE_VERSION: ${UPDATE_NOTICE_VERSION:-0}
       UPDATE_NOTICE_TITLE: ${UPDATE_NOTICE_TITLE:-SkyMoney Updated}
       UPDATE_NOTICE_BODY: ${UPDATE_NOTICE_BODY:-We shipped improvements and fixes. Please review the latest changes.}