这里以 Debian12 为例，记录一下安装 Docker 和 Docker Compose 的过程。

  1. 卸载旧版本（如果装过）
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sudo apt remove -y docker docker-engine docker.io docker-compose docker-compose-plugin
sudo apt autoremove -y
  1. 添加 Docker 官方仓库
  • 2.1 安装依赖
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sudo apt update
sudo apt install -y ca-certificates curl gnupg
  • 2.2 添加 GPG key
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sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg
  • 2.3 添加 Docker 官方源
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echo \
"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
https://download.docker.com/linux/debian \
$(. /etc/os-release && echo "$VERSION_CODENAME") stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
  1. 安装 Docker + Docker Compose 插件
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sudo apt update
sudo apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
  1. 验证
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docker --version
docker compose version
  1. 免 sudo 运行
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sudo usermod -aG docker $USER
newgrp docker