docker 镜像离线安装

离线安装 Tensorflow

1. docker pull tensorflow/tensorflow
2. docker images

REPOSITORY              TAG                 IMAGE ID            CREATED             SIZE
tensorflow/tensorflow   latest              72bdfab04989        8 weeks ago         1.1GB

3. 保存镜像到本地文件
   docker save -o tensorflow_image.docker tensorflow
4. 把镜像拷贝到无网络的电脑，然后通过docker加载镜像即可。
   docker load -i tensorflow_image.docker
5. 启动tensorflow
   docker run -it -p 8888:8888 tensorflow/tensorflow