ubuntu20.04 docker安装

Ubuntu | Docker Docs
Post-installation steps | Docker Docs

# 创建目录
sudo mkdir -p /etc/docker

# 写入配置文件
sudo tee /etc/docker/daemon.json <<-'EOF'
{
    "registry-mirrors": [
        "https://docker-0.unsee.tech",
        "https://docker-cf.registry.cyou",
        "https://docker.1panel.live"
    ]
}
EOF

# 重启docker服务
sudo systemctl daemon-reload && sudo systemctl restart docker