fix expired IRIS license

Author: rcemper

Dockerfile-zpm

@@ -3,6 +3,7 @@ ARG IMAGE=store/intersystems/iris:2019.1.0.511.0-community
 ARG IMAGE=store/intersystems/iris:2019.2.0.107.0-community
 #ARG IMAGE=intersystems/iris:2019.3.0.302.0
 ARG IMAGE=store/intersystems/iris-community:2019.3.0.302.0
+ARG IMAGE=store/intersystems/iris-community:latest
 FROM $IMAGE
 
 USER root
@@ -38,4 +39,4 @@ RUN iris start $ISC_PACKAGE_INSTANCENAME quietly && \
 
 USER ${ISC_PACKAGE_MGRUSER}
 
-CMD [ "-l", "/usr/irissys/mgr/messages.log" ]
+CMD [ "-l", "/usr/irissys/mgr/messages.log" ]