有个疑问，为什么 docker 本地拉的 lastest 的镜像的 DIGEST 和 hub.docker 上的不一致 - V2EX
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oser

有个疑问，为什么 docker 本地拉的 lastest 的镜像的 DIGEST 和 hub.docker 上的不一致

  •   
  •   oser Mar 6, 2022 2624 views
    This topic created in 1535 days ago, the information mentioned may be changed or developed.
    举例来说，我拉完 nextcloud 的镜像
    验证 DIGEST 如下：
    nextcloud latest sha256:33020e5c3643667427cc1b2369ff3847346b91d414b1e4bb4d879db93442efd9

    但是在 hub.docker.com 上,latest 的 tag 的 DIGEST 为
    nextcloud:latest
    DIGEST:sha256:d59a37726e7d55c9cebb4ccf86756e78284d84d3ab063fe2035032a255da03c6

    如果我强制拉
    sudo docker pull nextcloud@sha256:d59a37726e7d55c9cebb4ccf86756e78284d84d3ab063fe2035032a255da03c6

    就会出现两个相同的 IMAGE ID 的镜像，但是两个镜像的 DIGEST 却不同，可以排除被劫持之类的，有人知道这是咋肥事吗？
  • Digest
  • nextcloud
  • 镜像
  • latest
    2 replies    2022-03-06 23:43:52 +08:00
    Nitroethane
        1
    Nitroethane  
       Mar 6, 2022   1
    是这个原因 https://github.com/moby/moby/issues/40636#issuecomment-595941174
    oser
        2
    oser  
    OP
       Mar 6, 2022
    @Nitroethane 明白了，原来是 manifest 的 sha256 ，这么绕，感谢
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