第 18 章 在容器中运行 Skopeo、Buildah 和 Podman

流程

1. 登录到 registry.redhat.io 注册中心:

   $ podman login registry.redhat.io
   Username: myuser@mycompany.com
   Password: <password>
   Login Succeeded!

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2. 获取 registry.redhat.io/rhel9/skopeo 容器镜像：

   $ podman pull registry.redhat.io/rhel9/skopeo

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3. 使用 Skopeo 检查远程容器镜像 registry.access.redhat.com/ubi9/ubi:

   $ podman run --rm registry.redhat.io/rhel9/skopeo \
     skopeo inspect docker://registry.access.redhat.com/ubi9/ubi
   {
       "Name": "registry.access.redhat.com/ubi9/ubi",
       ...
       "Labels": {
           "architecture": "x86_64",
           ...
           "name": "ubi9",
           ...
           "summary": "Provides the latest release of Red Hat Universal Base Image 9.",
           "url": "https://access.redhat.com/containers/#/registry.access.redhat.com/ubi9/images/8.2-347",
           ...
       },
       "Architecture": "amd64",
       "Os": "linux",
       "Layers": [
       ...
       ],
       "Env": [
           "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
           "container=oci"
       ]
   }

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   --rm 选项会在容器退出后删除 registry.redhat.io/rhel9/skopeo 镜像。