1、下载镜像文件
    docker pull redis
    2、创建实例并启动
    mkdir -p /mydata/redis/conf
    touch /mydata/redis/conf/redis.conf

    1. docker run -p 6379:6379 --name redis \
    2. -v /Users/bwang/mydata/redis/data:/data \
    3. -v /Users/bwang/mydata/redis/conf/:/etc/redis \
    4. -d redis redis-server /etc/redis/redis.conf