Pull 镜像 wordpress下来，但是出现如下错误

软件开发 DevOps
1 
# docker pull wordpress:latest    
Error response from daemon: Get https://registry-1.docker.io/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaitin headers)

错误

#tailf /var/log/messages
Aug 19 16:46:29 docker02 dockerd: time="2019-08-19T16:46:29.157861585+08:00" level=warning msg="Error getting v2 registry: Get https://registry.docker-cn.com/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)"
Aug 19 16:46:29 docker02 dockerd: time="2019-08-19T16:46:29.157965774+08:00" level=info msg="Attempting next endpoint for pull after error: Get https://registry.docker-cn.com/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)"
Aug 19 16:46:44 docker02 dockerd: time="2019-08-19T16:46:44.158651847+08:00" level=warning msg="Error getting v2 registry: Get https://registry-1.docker.io/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)"
Aug 19 16:46:44 docker02 dockerd: time="2019-08-19T16:46:44.158907684+08:00" level=info msg="Attempting next endpoint for pull after error: Get https://registry-1.docker.io/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)"
Aug 19 16:46:44 docker02 dockerd: time="2019-08-19T16:46:44.159189201+08:00" level=error msg="Handler for POST /v1.40/images/create returned error: Get https://registry-1.docker.io/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)"

发现是因为docker加速器超时导致pull不下来

查看加速器：/etc/docker/daemon.json

# cat /etc/docker/daemon.json 
{
"registry-mirrors": ["https://registry.docker-cn.com"],
"insecure-registries": ["10.0.0.12:5000"]
}