dockerのimageからnginxをpullする
vagrant@vagrant-ubuntu-trusty-64:~$ sudo docker run -d -p 8080:80 –name webserver ngiUnable to find image ‘nginx:latest’ locally
latest: Pulling from library/nginx
802b00ed6f79: Pull complete
c16436dbc224: Pull complete
683eac851b28: Pull complete
Digest: sha256:e8ab8d42e0c34c104ac60b43ba60b19af08e19a0e6d50396bdfd4cef0347ba83
Status: Downloaded newer image for nginx:latest
f8a67eabff58916d0afb8029ad64d050410d39e4ac2f64af7f2875829c010030
