1. 拉取镜像报错
- i/o timeout
error pulling image configuration: Get "https://production.cloudflare.docker.com/registry-v2/docker/registry/v2/blobs/sha256/40/40c68ed3a4d246b2dd6e59d1b05513accbd2070efb746ec16848adc1b8e07fd4/data?verify=1637413139-GJzUiJgiaZ5QhccIHuKYhTfQsYI%3D": dial tcp 104.18.123.25:443: i/o timeout
原因：DockerHub网络原因
解决：使用阿里云镜像加速器
