error pulling image configuration: Get https://production.cloudflare.docker.com/registry-v2/docker/registry/v2/blobs/sha256/f9/f9b9909726890b00d2098081642edf32e5211b7ab5
3563929a47f250bcdc1d7c/data?verify=1588523580-nemU%2By0Unl0Pob7jDA%2Fbio%2BVLWM%3D: net/http: TLS handshake timeout
問題發生原因：時間不同步
解決辦法：執行下面命令同步時間
ntpdate time.windows.com
若遇到命令不存在錯誤，請先安裝ntpdate命令：yum -y install netdate