diff --git a/lam-packaging/docker/Dockerfile b/lam-packaging/docker/Dockerfile
index 0962420a..a106827c 100644
--- a/lam-packaging/docker/Dockerfile
+++ b/lam-packaging/docker/Dockerfile
@@ -30,6 +30,7 @@ FROM debian:buster-slim
 LABEL maintainer="Roland Gruber <post@rolandgruber.de>"
 
 ARG LAM_RELEASE=7.0
+EXPOSE 80
 
 ENV \
     DEBIAN_FRONTEND=noninteractive \