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给 containerd 配置 registry mirrors
source link: https://blog.shuf.io/post/config-registry-mirrors-for-containerd
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Feb 01, 2023
给 containerd 配置 registry mirrors
今天给 containerd 配置 registry mirror，发现旧的配置格式已经失效了，例如：
version = 2
[plugins."io.containerd.grpc.v1.cri".registry.mirrors]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."docker.io"]
endpoint = ["http://local-registry-mirror"]
最新的 containerd (v1.6.16) 已经修改为类似 docker 的配置方式，具体可以参考 containerd 仓库的 readme
[plugins."io.containerd.grpc.v1.cri".registry]
config_path = "/etc/containerd/certs.d"
相对应的 registry 的镜像配置就在 /etc/containerd/certs.d/ 下创建对应的 registry 目录（例如：docker.io），并把配置写到目录下的 hosts.toml 文件中。下面是 docker.io 的镜像仓库的配置 /etc/containerd/certs.d/docker.io/hosts.toml：
server = "https://registry-1.docker.io"
host."http://cache.prod.infra.pek.home.lab:5000".capabilities = ["pull", "resolve"]
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