cento7創建失敗
[root@localhost?d1]#?docker?build?-t??hello_dockerwb?.Sending?build?context?to?Docker?daemon?2.048?kBStep?1/3?:?FROM?alpine:latestTrying?to?pull?repository?docker.io/library/alpine?...?latest:?Pulling?from?docker.io/library/alpineno?supported?platform?found?in?manifest?list
2018-07-14
你的這個鏡像alpine:latest目前是從docker.io上拉取的，建議在運行指令前加上這么一行CDN加速鏡像：
RUN? sed -i 's/archive.ubuntu.com/mirrors.ustc.edu.cn/g' /etc/apt/sources.list