# 1. 创建 Docker 配置目录(如果不存在)
mkdir -p /etc/docker

# 2. 配置镜像加速器(使用多个可用源)
cat > /etc/docker/daemon.json << 'EOF'
{
  "registry-mirrors": [
    "https://docker.xuanyuan.me",
    "https://docker.1ms.run",
    "https://docker.m.daocloud.io"
  ]
}
EOF

# 3. 重新加载配置并重启 Docker
systemctl daemon-reload
systemctl restart docker

# 4. 验证配置是否生效
docker info | grep -A 5 "Registry Mirrors"

或者用下面的:

vim /etc/docker/daemon.json 
{
    "registry-mirrors":
    [
        "https://docker.m.daocloud.io",
        "https://noohub.ru",
        "https://huecker.io",
        "https://dockerhub.timeweb.cloud",
        "https://docker.rainbond.cc"
    ]
}

验证并重新拉取镜像

配置完成后,重新运行你的命令:

docker run -itd --name=nginx-demo -p80:80 nginx

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