Docker镜像构建之案例分享

FROM ubuntu:18.04
ADD ./soft/apache-tomcat-8.5.65.tar.gz /usr/
ADD ./soft/jdk-8u202-linux-x64.tar.gz /usr/
ADD ./tomcat.sh /opt/

RUN chmod a+x /opt/tomcat.sh &&     mv /usr/apache-tomcat-8.5.65 /usr/tomcat &&     mv /usr/jdk1.8.0_202 /usr/java 

RUN echo "export JAVA_HOME=/usr/java" >> /etc/profile &&     echo "export JRE_HOME=/usr/java/jre" >> /etc/profile &&     echo "PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin" >> /etc/profile &&     echo "export PATH" >> /etc/profile &&     source /etc/profile

ENTRYPOINT bash /opt/tomcat.sh

#!/bin/bash
which java
if [ $? != 0 ];
  then
    echo "JAVA_HOME=/usr/java" >> /etc/profile
    echo "JRE_HOME=/usr/java/jre" >> /etc/profile
    echo "PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin" >> /etc/profile
    echo "export PATH" >> /etc/profile
    source /etc/profile
fi  

/bin/sh /usr/tomcat/bin/catalina.sh run