Dockerfile.evil

FROM ubuntu:latest
ENV TOMCAT_VERSION 8.0.53

# Update Debs
RUN apt-get -y update 
RUN apt-get -y upgrade 
RUN apt-get -y install openjdk-8-jdk wget 
RUN apt-get clean
RUN rm -r /var/lib/apt/lists/*

RUN mkdir /usr/local/tomcat

# Install Tomcat
RUN wget --quiet --no-cookies https://archive.apache.org/dist/tomcat/tomcat-8/v${TOMCAT_VERSION}/bin/apache-tomcat-${TOMCAT_VERSION}.tar.gz -O /tmp/tomcat.tgz 
# Creates layer with files in opt/apache-tomcat-${TOMCAT_VERSION} 
RUN tar xzvf /tmp/tomcat.tgz -C /opt 
# Creates layer with files in /opt/tomcat
RUN mv /opt/apache-tomcat-${TOMCAT_VERSION} /opt/tomcat 
# Pointless as the file still exists in prior layer
RUN rm /tmp/tomcat.tgz 
# All of the these deletes are pointless to save space.
RUN rm -rf /opt/tomcat/webapps/examples 
RUN rm -rf /opt/tomcat/webapps/docs 
RUN rm -rf /opt/tomcat/webapps/ROOT

# Copy war from local filesystem
COPY src/sample.war /opt/tomcat/webapps/ROOT.war

# Add entry point
ENTRYPOINT [ "/opt/tomcat/bin/catalina.sh”, “run”]