diff --git a/installer/Dockerfile b/installer/Dockerfile
index 44cb0f3e4..e901b4b45 100644
--- a/installer/Dockerfile
+++ b/installer/Dockerfile
@@ -48,5 +48,7 @@ RUN echo -n "${CRM_VERSION}" > /tmp/CRM_VERSION
 
 VOLUME [ "/opt/cordys" ]
 
+EXPOSE 8081 8082
+
 RUN chmod 777  /shells/*.sh
 ENTRYPOINT ["sh", "/shells/start-all.sh"]
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