本文最开始的Docker Pull输出里的Digest就是这个值。这个值实际上是manifest内容的sha256sum。注意看Manifest内容的config部分,你可以找到一个digest,这个值是不是也很眼熟,它就是docker images输出的镜像ID,镜像的ID是镜像配置文件的sha256sum,我们可以用它继续从Registry上下载镜像配置文件。 原文:https://m.aliyun....
A digest is an id that is automatically created during build time and cannot be changed (immutable). When an image is pulled using a digest, adocker pullwill download the same image every time on any os/arch. This is called image pinning. First, determine the imagename:tagyou wish to u...
digest我们可以翻译为镜像的摘要。但它其实是对 docker 镜像的各个分层，进行打包后，对打包结果进行哈希运算，得到的64位 sha256 的哈希值。这个值一旦生成，就无法改变。docker pull node@sha256:864eb02138013ec6ae6f5c37d0e267ae14af378571ac4ddb209e7aa540974ba4 这样就可以保证无论在什么平台架构上运行命令，...
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ancestor=(<image-name>[:<tag>], <image id> or <image@digest>) before=(<container id> or <container name>) since=(<container id> or <container name>) volume=(<volume name> or <mount point destination>) network=(<network id> or <network name>) Status codes: ...
Digest: sha256:a27fd8080b517143cbbbab9dfb7c8571c40d67d534bbdee55bd6c473f432b177 Status: Downloaded newer image for centos:latest docker.io/library/centos:latest [root@test-a-docker01 ~]# 查看镜像 代码语言:txt 复制 [root@test-a-docker01 ~]# docker images ...
IMAGE ID:镜像ID CREATED:镜像创建时间 SIZE:镜像大小 1.4 推送镜像 代码语言:javascript 复制 1root@docker:~# docker push registry.cn-hangzhou.aliyuncs.com/xhy-study-01/xhy-images-01:centos-7-xhy 提示:推送镜像之前必须配置好仓库信息。建议推送至个人私有仓库,同时采用国内阿里云私有仓库,配置方法见《附001...
Digest: sha256:df5f5184104426b65967e016ff2ac0bfcd44ad7899ca3bbcf8e44e4461491a9e Status: Downloaded newer imageforhello-world:latest Hello from Docker! This message shows that your installation appears to be working correctly. To generate this message, Docker took the following steps: ...
FROM <image>:<tag> 或者 FROM <image>@<digest> MAINTAINER 设置创建镜像的作者信息。 MAINTAINER zhanghaojie@qq.com RUN 这个指令有两种格式. 第一种形式: RUN chown user2:user2 /home/webapi (以shell形式执行命令,等同于/bin/sh -c); 第二种形式: ...
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