FROM debian:unstable-slim
RUN sudo apt update -y && sudo apt upgrade -y 
RUN    apt install default-jdk -y 
RUN    sudo groupadd tomcat
RUN cd /
RUN sudo mkdir opt
RUN cd /opt
RUN wget http://apache.volia.net/tomcat/tomcat-8/v8.5.50/bin/apache-tomcat-8.5.50.tar.gz
RUN sudo tar -xvf /opt/apache-tomcat-8.5.50.tar.gz
RUN mv apache-tomcat-8.5.50 tomcat
RUN sudo chgrp -R tomcat /opt/tomcat
RUN sudo chmod -R g+r conf
RUN sudo chmod g+x conf
RUN sudo chown -R tomcat webapps/ work/ temp/ logs/
RUN sudo update-java-alternatives -l
RUN sudo systemctl daemon-reload
RUN sudo systemctl start tomcat
RUN sudo ufw allow 8080
RUN sudo systemctl enable tomcat