Add script to release to Docker Hub

Author: SgrAlpha

release.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+export WORKSPACE_DIR=`pwd`
+
+docker pull ubuntu
+cd ${WORKSPACE_DIR}/server_jre && docker build -t sgrio/java-oracle:server_jre_8 . && docker push sgrio/java-oracle:server_jre_8
+cd ${WORKSPACE_DIR}/jre && docker build -t sgrio/java-oracle:jre_8 . && docker push sgrio/java-oracle:jre_8
+cd ${WORKSPACE_DIR}/jdk && docker build -t sgrio/java-oracle:jdk_8 . && docker push sgrio/java-oracle:jdk_8