Dockerfile adjusted

FROM tomcat:8.5.66-jdk11-adoptopenjdk-openj9

FROM tomcat:9.0-jdk8

MAINTAINER dimitrios.chalepakis@pta.de

COPY deploy/conf/context.xml /usr/local/tomcat/conf/context.xml

-->

<!-- The contents of this file will be loaded for each web application -->

<!-- jdbc:oracle:thin:@entbwora1:1521:dboetng4  -->

<Context>

    <!-- Default set of monitored resources -->

    <WatchedResource>WEB-INF/web.xml</WatchedResource>

    <!-- Uncomment this to disable session persistence across Tomcat restarts -->

    <!--Manager pathname=""/>

    <Parameter name="environment" override="false" value="Development"/-->

    <Parameter name="OK_PORTAL_ENVIRONMENT" override="false" value="DevLocal"/>

    <!-- Uncomment this to enable Comet connection tacking (provides events

         on session expiration as well as webapp lifecycle) -->

    <!--

    <Valve className="org.apache.catalina.valves.CometConnectionManagerValve" />

    -->

</Context>