Tomcat docker file with openjdk

###############################
#Docker command to build image
#
#uday@jenkins-server:~/Desktop/Docker-samples$ docker build -t tomcatserver .
################################
#Dependencies links
#
#https://archive.apache.org/dist/tomcat/tomcat-8/v8.5.35/bin/
#https://archive.apache.org/dist/tomcat/tomcat-8/v8.5.35/bin/apache-tomcat-8.5.35.tar.gz
#
################################
#Extra configuration manually to be done
#
#manager app access: 
#https://www.ibm.com/support/knowledgecenter/en/SS6RHZ_2.1.0/com.ibm.rational.pe.install.doc/topics/t_web_services_tomcat.html
#https://www.digitalocean.com/community/questions/how-to-access-tomcat-8-admin-gui-from-different-host

#Restart tomcat: https://docs.bmc.com/docs/display/public/proactivenet95/Restarting+Apache+Tomcat
#ssh to container running:http://phase2.github.io/devtools/common-tasks/ssh-into-a-container/
#################################

FROM ubuntu
EXPOSE 80
EXPOSE 443
EXPOSE 8080
#RUN apt update
#RUN apt install nano
RUN mkdir -p /usr/src/app
#WORKDIR /usr/src/app
COPY apache-tomcat-8.5.35 /usr/src/app/apache-tomcat-8.5.35
COPY jdk8u212-b04 /usr/src/app/jdk8u212-b04
ENV JAVA_HOME=/usr/src/app/jdk8u212-b04
ENV CATALINA_HOME=/usr/src/app/apache-tomcat-8.5.35
ENV DOCKER_AUTHOR="Uday Kiran Reddy"
ENV PATH="${JAVA_HOME}/bin:${PATH}"
#CMD /usr/src/app/apache-tomcat-8.5.35/bin/startup.sh
#ENTRYPOINT "$CATALINA_HOME/bin/startup.sh"
#ENTRYPOINT ["/bin/bash","-c","/usr/src/app/apache-tomcat-8.5.35/bin/startup.sh"]

#RUN  useradd admin && echo "admin:admin" | chpasswd && #adduser admin sudo 
#RUN usermod -a -G adm admin
#RUN usermod -a -G sudo admin
#RUN usermod -a -G admin admin
#USER admin

USER root
#apt update
CMD ["/usr/src/app/apache-tomcat-8.5.35/bin/catalina.sh","run"]