Docker安裝java8

#sh
#docker pull centos
#docker images
#docker run -it centos:latest /bin/bash
#download jdk gz
from centos
MAINTAINER stormsquirrel [e-mail]
RUN mkdir /usr/local/java
ADD jdk-8u261-linux-x64.tar.gz /usr/local/java/
RUN ln -s /usr/local/java/jdk1.8.0_261 /usr/local/java/jdk
ENV JAVA_HOME /usr/local/java/jdk
ENV JRE_HOME ${JAVA_HOME}/jre
ENV CLASSPATH .:${JAVA_HOME}/lib:${JRE_HOME}/lib
ENV PATH ${JAVA_HOME}/bin:$PATH
#docker build -t="centos-jdk" .
#docker run -it centos-jdk /bin/bash