diff --git a/Dockerfile b/Dockerfile
index e0aa5ac4d..8e2d348ac 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,3 +9,4 @@ RUN chgrp -R 0 /opt/app && \
     chmod -R g=u /opt/app
 USER spring:spring
 ENTRYPOINT ["java","-jar","/opt/app/app.jar"]
+EXPOSE 8080