Disable memcached

Dockerfile

@@ -34,7 +34,7 @@ RUN set -x \
            && chown -R tomcat:tomcat /etc/web-laboratory \
            && cd /opt/tomcat/conf/web-laboratory/localhost \
            && ln -s /etc/web-laboratory/ROOT.xml ROOT.xml
-COPY ROOT.xml /etc/web-laboratory/
+#COPY ROOT.xml /etc/web-laboratory/
 COPY server.xml /opt/tomcat/conf/
 RUN chown -R tomcat:tomcat /opt/apache-tomcat-8.0.26 \
            && chown -R tomcat:tomcat /etc/web-laboratory