格式:INSTRUCTION <argument>,命令不区分大小写,但约定为全部大写;必须以FROM命令开始,命令出现的顺序就是被执行的顺序
FROM <image name>
MAINTAINER <author name>
RUN <command> 如:cd target && tar -zxvf datastudio.tar.gz && chmod +x datastudio/bin/run-k8s.sh
ADD <source> <destination>
CMD ["executable","param1","param2"] 或 CMD ["param1","param2"]
EXPOSE <port>
ENTRYPOINT ["executable", "param1","param2"]
WORKDIR /path/to/workdir
ENV <key> <value>
USER <uid>
VOLUME ["/data"]
原文:https://www.cnblogs.com/yb38156/p/14902526.html