containerd 设置容器镜像源地址
containerd默认是通过读取/etc/containerd/config.toml配置文件，配置文件不存在可以通过containerd config default > /etc/containerd/config.toml，生产。
找到/etc/containerd/config.toml配置
[plugins.'io.containerd.cri.v1.images'.registry] config_path = '/etc/containerd/certs.d'在/etc/containerd/certs.d目录里面配置镜像仓库信息
创建一个docker.io目录，里面配置docker.io仓库的镜像加速配置
mkdir docker.io && cd docker.iocat hosts.toml
# 默认的镜像仓库服务器地址 server="https://docker.io"# 镜像加速地址[host."https://docker.m.daocloud.io"][host."https://dockerpull.com"]# pull：允许从该地址拉取（下载） 容器镜像； # resolve：允许该地址解析镜像的标签（tag）、摘要（digest）等元信息（比如把 nginx:latest 解析为具体的镜像摘要）。 capabilities=["pull","resolve"]拉取镜像测试：
使用 ctr拉取镜像，必须指定注册仓库域名/仓库名/镜像名:tag
ctr images pull docker.m.daocloud.io/library/nginx:latest
docker.m.daocloud.io/library/nginx:lates saved └──index (c881927c4077) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (cfe606ff1172) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (e19752a7d111) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (378f275f52cb) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (904dc4c1bec9) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (617fef3c6adb) complete |++++++++++++++++++++++++++++++++++++++| │ ├──config (4af177a024eb) complete |++++++++++++++++++++++++++++++++++++++| │ ├──layer (eaf8753feae0) complete |++++++++++++++++++++++++++++++++++++++| │ ├──layer (d989100b8a84) complete |++++++++++++++++++++++++++++++++++++++| │ ├──layer (119d43eec815) extracted |++++++++++++++++++++++++++++++++++++++| │ ├──layer (700146c8ad64) extracted |++++++++++++++++++++++++++++++++++++++| │ ├──layer (10b68cfefee1) complete |++++++++++++++++++++++++++++++++++++++| │ ├──layer (500799c30424) extracted |++++++++++++++++++++++++++++++++++++++| │ └──layer (57f0dd1befe2) extracted |++++++++++++++++++++++++++++++++++++++| ├──manifest (5e136b60573b) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (48a3bd2e5be8) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (43bb8203632c) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (d71ace31fc93) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (7fa8d9f078ac) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (ec7966baa1eb) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (2835b6e43f1a) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (5ac8b0318df7) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (2292ae3230a7) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (f563c83ba549) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (3323cdf668da) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (e15f77852ca5) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (210a05f6f9d5) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (04a8a0823427) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (ccb4f97c5fef) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (df1d6010ceaa) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (01e442dea1cd) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (7ece621a9200) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (9d1166a60894) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (fdb3784d9efd) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (44271aebff4b) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (b5f482318364) complete |++++++++++++++++++++++++++++++++++++++| ├──manifest (aeb3d3b1e334) complete |++++++++++++++++++++++++++++++++++++++| │ └──config (a1c0df456388) complete |++++++++++++++++++++++++++++++++++++++| └──manifest (550661e3b8aa) complete |++++++++++++++++++++++++++++++++++++++| └──config (175fbeec8858) complete |++++++++++++++++++++++++++++++++++++++| application/vnd.oci.image.index.v1+json sha256:c881927c4077710ac4b1da63b83aa163937fb47457950c267d92f7e4dedf4aec Completed pull from OCI Registry (docker.m.daocloud.io/library/nginx:latest) elapsed: 949.2s total: 60.0 M (64.8 KiB/s)
