docker rmi cible/bf-nginx
1.通过镜像ID更改镜像版本号
docker tag a945e7fd5401 cible/bf-nginx:1
2.通过名称：版本来删除
docker rmi cible/bf-nginx:1
docker删除镜像报错处理：Error response from daemon: conflict: unable to delete a945e7fd5401 (cannot be forced) - image has dependent child images
原文：https://www.cnblogs.com/wanghaokun/p/14852596.html
