ubuntu22.04安装docker

#!/bin/bash
set -e

# 更新 apt 索引
apt update

# 安装必要的依赖包
apt install -y \
    ca-certificates \
    curl \
    gnupg \
    lsb-release \
    apt-transport-https \
    software-properties-common

# 创建 keyrings 目录
mkdir -p /etc/apt/keyrings

# 添加 Docker 官方 GPG key
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | \
gpg --dearmor -o /etc/apt/keyrings/docker.gpg

# 添加 Docker apt 软件源
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
  https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | \
  tee /etc/apt/sources.list.d/docker.list > /dev/null

# 更新 apt 索引
apt update

# 安装 Docker Engine、CLI、containerd 以及 Compose 插件
apt install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin

# 启动并设置开机自启
systemctl enable docker
systemctl start docker

# 测试 Docker 是否安装成功
docker --version