Dockerfile

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#基于centos镜像
FROM centos

#维护人的信息
MAINTAINER The CentOS Project <303323496@qq.com>

#安装httpd软件包
RUN yum -y update
RUN yum -y install httpd

#开启80端口
EXPOSE 80

#复制网站首页文件至镜像中web站点下
ADD index.html /var/www/html/index.html

#复制该脚本至镜像中，并修改其权限
ADD run.sh /run.sh
RUN chmod 775 /run.sh

#当启动容器时执行的脚本文件
CMD ["/run.sh"]

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实例:

FROM centos:7
MAINTANIER www.edisonchou.com

ADD jdk-8u45-linux-x64.tar.gz /usr/local
ENV JAVA_HOME /usr/local/jdk1.8.0_45

ADD apache-tomcat-8.0.46.tar.gz /usr/local
COPY server.xml /usr/local/apache-tomcat-8.0.46/conf

RUN rm -f /usr/local/*.tar.gz

WORKDIR /usr/local/apache-tomcat-8.0.46
EXPOSE 8080
ENTRYPOINT ["./bin/catalina.sh", "run"]