docker swarm 搭建一

# 下载官方安装脚本
curl -fsSL https://get.docker.com -o get-docker.sh

# 执行安装（自动检测系统）
sudo sh get-docker.sh

# 启动Docker
sudo systemctl start docker
sudo systemctl enable docker

# 验证安装
docker --version

设置国内镜像

sudo mkdir -p /etc/docker

# 添加镜像加速器配置
sudo tee /etc/docker/daemon.json << 'EOF'
{
  "registry-mirrors": [
    "https://docker.mirrors.ustc.edu.cn",
    "https://hub-mirror.c.163.com",
    "https://mirror.baidubce.com",
    "https://registry.docker-cn.com"
  ],
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m",
    "max-file": "3"
  }
}
EOF

docker 随机启动

sudo systemctl enable docker