[root@localhost vul-py-server]# docker build -t vul-py-server .
Sending build context to Docker daemon 133.7 MB
Sending build context to Docker daemon
Step 0 : FROM python:2.7.14
Pulling repository python
Get https://index.docker.io/v1/repositories/library/python/images: dial tcp 54.236.81.192:443: connection refused
[root@localhost vul-py-server]#
楼主,这个问题怎么解决啊?