Ubuntu安装docker和docker-compose

一、安装docker

  1. 更新系统包
    sudo apt update && sudo apt upgrade -y
  2. 安装Docker依赖
    sudo apt install -y apt-transport-https ca-certificates curl software-properties-common
  3. 添加Docker官方GPG密钥
    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg –dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
  4. 添加Docker仓库
    echo “deb [arch=$(dpkg –print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable” | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
  5. 安装Docker引擎
    sudo apt update
    sudo apt install -y docker-ce docker-ce-cli containerd.io
    6.启动 Docker 并设置开机自启:
    sudo systemctl start docker
    sudo systemctl enable docker
    二、安装 Docker Compose
    1.下载最新的 Docker Compose 二进制文件
    sudo curl -L “https://github.com/docker/compose/releases/download/v2.20.2/docker-compose-$(uname -s)-$(uname -m)” -o /usr/local/bin/docker-compose
    2.为 Docker Compose 二进制文件添加执行权限
    sudo chmod +x /usr/local/bin/docker-compose
    3.创建一个符号链接(可选)
    sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
    4.如果你希望非 root 用户也能运行 Docker,可以将该用户添加到 docker 组:
    sudo usermod -aG docker $(whoami)
    5.之后你需要注销并重新登录,或者执行以下命令以应用组更改
    newgrp docker

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