add docker scripts

docker/prepareVersion.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+version=$(awk '/currVersion = / { sub(/[^"]*"/,"") ; sub(/".*$/,""); print $0 } ' build.gradle)
+echo version extract from build.gradle '-->' $version
+if [ $# -gt 0 ]; then
+  time=$1
+else
+  time=$(date "+%Y-%m-%d")
+fi
+echo time is $time
+
+cd ./docker/
+awk ' {gsub(/version=\".*\"/,"version=\"'$version'\""); print $0;  } ' AgentDockerfile >AgentDockerfile.2
+awk ' {gsub(/release-date=\".*\"/,"release-date=\"'$time'\""); print $0;  } ' AgentDockerfile.2 >AgentDockerfile
+rm AgentDockerfile.2
+
+awk ' {gsub(/version=\".*\"/,"version=\"'$version'\""); print $0;  } ' ClusterDockerfile >ClusterDockerfile.2
+awk ' {gsub(/release-date=\".*\"/,"release-date=\"'$time'\""); print $0;  } ' ClusterDockerfile.2 >ClusterDockerfile
+rm ClusterDockerfile.2