touch Dockerfile
FROM sameersbn/ubuntu:14.04.20160121 MAINTAINER samerr@damagehead.com ENV REDIS_USER=redis REDIS_DATA_DIR=/var/lib/redis REDIS_LOG_DIR=/var/log/redis RUN apt-get update \
Dockerfile语法
原文：https://www.cnblogs.com/MeiCheng/p/10206643.html
