DOCKER构建JDK1.8镜像

$ sudo mkdir /usr/local/jdk
$ sudo cd /usr/local/jdk
$ sudo cp ../src/jdk-8u201-linux-x64.tar.gz ./
$ sudo ls
jdk-8u201-linux-x64.tar.gz
$ sudo vi Dockerfile
FROM centos:centos7
MAINTAINER tom
RUN mkdir /usr/local/jdk
WORKDIR /usr/local/jdk
ADD jdk-8u201-linux-x64.tar.gz /usr/local/jdk

ENV JAVA_HOME /usr/local/jdk/jdk1.8.0_201
ENV JRE_HOME /usr/local/jdk/jdk1.8.0_201/jre
ENV PATH $JAVA_HOME/bin:$PATH