首先将jdk文件或者tar包放在/var/local路径下然后Dockerfile中写#以centos7为基础镜像FROMcentos:latestMAINTAINERchen#安装JDKADDjdk1.8.0_191/var/local/jdk1.8.0_191#设置环境变量ENVJAVA_HOME/var/loca...