Dockerfile构建jdk、tomcat、maven基础环境

参考，RUN适当合并使用，减少镜像层数

FROM centos7
MAINTAINER blog.ct99.cn

#安装JDK
RUN mkdir /var/tmp/jdk
RUN wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie"  -P /var/tmp/jdk http://download.oracle.com/otn-pub/java/jdk/8u111-b14/jdk-8u111-linux-x64.tar.gz
RUN tar xzf /var/tmp/jdk/jdk-8u111-linux-x64.tar.gz -C /var/tmp/jdk
RUN rm -rf /var/tmp/jdk/jdk-8u111-linux-x64.tar.gz

#安装tomcat
RUN mkdir /var/tmp/tomcat
RUN wget -P /var/tmp/tomcat http://mirrors.hust.edu.cn/apache/tomcat/tomcat-8/v8.5.8/bin/apache-tomcat-8.5.8.tar.gz
RUN tar xzf /var/tmp/tomcat/apache-tomcat-8.5.8.tar.gz -C /var/tmp/tomcat
RUN rm -rf /var/tmp/tomcat/apache-tomcat-8.5.8.tar.gz

#安装maven
RUN mkdir /var/tmp/maven
RUN wget -P /var/tmp/maven  http://apache.fayea.com/maven/maven-3/3.3.9/binaries/apache-maven-3.3.9-bin.tar.gz
RUN tar xzf /var/tmp/maven/apache-maven-3.3.9-bin.tar.gz -C /var/tmp/maven
RUN rm -rf /var/tmp/maven/apache-maven-3.3.9-bin.tar.gz
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#开启内部服务端口
EXPOSE 8080

#启动tomcat服务器
CMD ["./var/tmp/tomcat/apache-tomcat-8.5.8/bin/catalina.sh","run"]