User non root

cicd/build/docker-prod/web/Dockerfile

-FROM tomcat:8-jdk8 
-
-RUN apt update; \
-  apt install -y ca-certificates-java
-
-## Not delpoy the geosource-overlay-3.4.1-0.war but the unziped one in docker
-COPY --chown=root:root ./target/geosource-overlay-3.4.1-0 /usr/local/tomcat/webapps/geonetwork
-
-#COPY --chown=root:root ./etc/geosource-overlay-3.4.1-0 /etc/geosource-overlay-3.4.1-0
\ No newline at end of file
+FROM docker.alkante.com/alk-tomcat:8
+COPY --chown=tomcat8:tomcat8 ./target/geosource-overlay-3.4.1-0 /var/lib/tomcat8/webapps/geonetwork
+USER root
+RUN chown -R www-data:www-data /var/lib/tomcat8/
+RUN chown -R root:www-data /etc/tomcat8
+RUN chown -R www-data:www-data /var/cache/tomcat8
+RUN chown -R www-data:www-data /tmp/tomcat8
+RUN chown -R www-data:www-data /var/log/tomcat8/
+USER www-data