镜像站点

fasion@MacKhaos:~$ docker pull registry.docker-cn.com/library/mysql:5.7
5.7: Pulling from library/mysql
2a72cbf407d6: Pull complete
38680a9b47a8: Pull complete
4c732aa0eb1b: Pull complete
c5317a34eddd: Pull complete
f92be680366c: Pull complete
e8ecd8bec5ab: Pull complete
2a650284a6a8: Pull complete
5b5108d08c6d: Pull complete
beaff1261757: Pull complete
c1a55c6375b5: Pull complete
8181cde51c65: Pull complete
Digest: sha256:691c55aabb3c4e3b89b953dd2f022f7ea845e5443954767d321d5f5fa394e28c
Status: Downloaded newer image for registry.docker-cn.com/library/mysql:5.7

$ docker pull python
Using default tag: latest
Error response from daemon: Get https://registry-1.docker.io/v2/library/python/manifests/latest: unauthorized: incorrect username or password