FROM docker.io/centos:latest        基礎鏡像

MAINTAINER sunys                   作者

RUN yum install -y zip unzip       裝工具解壓包

COPY ./jdk1.8.0_261 /usr/local/jdk  復制jdk 到鏡像中

COPY ./apache-tomcat-8.5.57 /usr/local/tomcat  復制tomcat 到鏡像中

ENV JAVA_HOME /usr/local/jdk         配置環境變量

ENV CLASSPATH .:$JAVA_HOME/lib        

ENV CATALINA_HOME /usr/local/tomcat

ENV PATH $PATH:$JAVA_HOME/bin

EXPOSE 8080                           暴露tomcat 8080端口

CMD ["/usr/local/tomcat/bin/catalina.sh","run"]     鏡像運行的腳本