update jdk

Dockerfile

-ARG BASE_REGISTRY=registry.access.redhat.com
-ARG BASE_IMAGE=ubi8/ubi
+ARG BASE_REGISTRY=nexus-docker-secure.levelup-nexus.svc.cluster.local:18082
+ARG BASE_IMAGE=redhat/ubi/ubi8
 ARG BASE_TAG=8.1
 
-FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG}
+FROM ${BASE_REGISTRY}/Opensource/openjdk/openjdk:1.13
 
 ARG VERSION=5.15.12
 ARG DISTRO_NAME=apache-activemq-${VERSION}
@@ -14,8 +14,6 @@ LABEL name="ActiveMQ" \
       version=$VERSION \
       summary="Apache ActiveMQ™ is the most popular open source, multi-protocol, Java-based messaging server. " 
 
-RUN yum install -y java
-
 COPY ${DISTRO_NAME}.tar.gz /opt
      
 RUN tar -zxf /opt/${DISTRO_NAME}.tar.gz -C /opt && \
@@ -23,7 +21,8 @@ RUN tar -zxf /opt/${DISTRO_NAME}.tar.gz -C /opt && \
     ln -s /opt/${DISTRO_NAME} ${ACTIVEMQ_HOME} && \
     useradd -r ${USER_NAME} --uid=1000 && \
     chown -R ${USER_NAME}:${USER_NAME} /opt/${DISTRO_NAME} && \
-    chown -h ${USER_NAME}:${USER_NAME} ${ACTIVEMQ_HOME}
+    chown -h ${USER_NAME}:${USER_NAME} ${ACTIVEMQ_HOME} && \
+    sed -i "/#JAVA_HOME=*/c\JAVA_HOME=/opt/jdk-13.0.2" /opt/${DISTRO_NAME}/bin/env
 
 USER ${USER_NAME}