add git support

Author: evshvarov

Dockerfile

@@ -4,10 +4,12 @@ ARG IMAGE=intersystemsdc/iris-community:2020.2.0.204.0-zpm
 ARG IMAGE=intersystemsdc/irishealth-community:2020.3.0.200.0-zpm
 ARG IMAGE=intersystemsdc/iris-community:2020.3.0.200.0-zpm
 ARG IMAGE=intersystemsdc/iris-community:2020.3.0.221.0-zpm
-ARG IMAGE=intersystemsdc/iris-community:2020.4.0.524.0-zpm
+ARG IMAGE=intersystemsdc/iris-community:2020.4.0.547.0-zpm
 FROM $IMAGE
 
 USER root   
+## add git
+RUN apt update && apt-get -y install git
 
 WORKDIR /opt/irisbuild
 RUN chown ${ISC_PACKAGE_MGRUSER}:${ISC_PACKAGE_IRISGROUP} /opt/irisbuild