added IRIS 2020 version

Author: evshvarov

Dockerfile

@@ -1,7 +1,7 @@
-ARG IMAGE=intersystems/iris:2019.1.0S.111.0
 ARG IMAGE=store/intersystems/irishealth:2019.3.0.308.0-community
 ARG IMAGE=store/intersystems/iris-community:2019.3.0.309.0
 ARG IMAGE=store/intersystems/iris-community:2019.4.0.379.0
+ARG IMAGE=store/intersystems/iris-community:2020.1.0.199.0
 FROM $IMAGE
 
 USER root
@@ -22,4 +22,4 @@ RUN \
 
 # bringing the standard shell back
 SHELL ["/bin/bash", "-c"]
-CMD [ "-l", "/usr/irissys/mgr/messages.log" ]
+CMD [ "-l", "/usr/irissys/mgr/messages.log" ]