diff --git a/Containers/fulltextsearch/Dockerfile b/Containers/fulltextsearch/Dockerfile
index baef5272..01c0ff29 100644
--- a/Containers/fulltextsearch/Dockerfile
+++ b/Containers/fulltextsearch/Dockerfile
@@ -3,6 +3,7 @@ FROM elasticsearch:7.17.10
 
 RUN set -ex; \
     \
+    export DEBIAN_FRONTEND=noninteractive; \
     apt-get update; \
     apt-get install -y --no-install-recommends \
         tzdata \