Dockerfile_rhel7-tomcat

FROM registry.access.redhat.com/rhel7/rhel

# Register container to access repositories
RUN subscription-manager register --username lenswipe2000 --password docker4thewin! --auto-attach
RUN yum-config-manager --disable rhel-7-server-rt-beta-rpms

# Install prepare infrastructure
RUN yum -y update && \
 yum -y install wget && \
 yum -y install tar

# Prepare environment 
ENV JAVA_HOME /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.161-2.6.12.0.el7_4.x86_64/jre
ENV CATALINA_HOME /opt/tomcat 
ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/bin:$CATALINA_HOME/scripts

# Install OpenJDK 7 JRE
RUN yum -y install java-1.7.0-openjdk

# Install Tomcat
RUN wget http://mirrors.koehn.com/apache/tomcat/tomcat-7/v7.0.82/bin/apache-tomcat-7.0.82.tar.gz && \
 tar -xvf apache-tomcat-7.0.82.tar.gz && \
 rm apache-tomcat*.tar.gz && \
 mv apache-tomcat* ${CATALINA_HOME} && \
 chmod +x ${CATALINA_HOME}/bin/*.sh

# Configure admin user
RUN sed -i '$i<user username="admin" password="password" roles="manager-gui,admin-gui"/>' /opt/tomcat/conf/tomcat-users.xml

# Configure startup script
RUN touch /opt/tomcat/bin/run.sh && \
echo '#!/bin/bash' > /opt/tomcat/bin/run.sh && \
echo 'exec /opt/tomcat/bin/catalina.sh run' >> /opt/tomcat/bin/run.sh && \
chmod 755 /opt/tomcat/bin/run.sh

# Open ports
EXPOSE 8080
EXPOSE 8009

CMD ["/opt/tomcat/bin/run.sh"]