在 Docker 中重命名镜像
在 Docker 中,我们可以使用一种简单的方法来重命名镜像,而无需从头开始重建它。 本文将讨论如何使用 Docker 重命名镜像。
在 Docker 中重命名图像
我们可以通过更改图像标签来重命名镜像或更改存储库名称。 我们记得标签只是完整镜像名称的人类可读别名。
$ docker image tag server:latest sample/server:latest
或者
$ docker image tag d583c3ac35fd sample/server:latest
作为一种速记方法,我们可以运行以下代码片段:
$ docker tag d58 sample/server:latest
参数 d58 表示镜像 ID 的前三个字符。 在这种情况下,我们只需要这几个字符。
删除旧镜像作为最佳实践
最后,我们可以删除旧镜像,让尽可能多的标签与同一镜像相关联。 如果我们不喜欢旧的镜像名称,我们可以在重新标记后将其删除:
$ docker rmi server
该命令将删除别名/标记标记格式。 然而,由于 d58... 有其他名称,Docker 不会删除实际的镜像。
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