【项目实战】【亲测可用】使用国内镜像源（如华为云、阿里云、腾讯云等）提供的Docker镜像加速服务，解决Docker被墙的问题

一、报错内容

[root@VM-8-8-centos ~]# docker pull hello-world
Using default tag: latest
Error response from daemon: Get "https://registry-1.docker.io/v2/": net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)
[root@VM-8-8-centos ~