ubuntu 安装 docker engine

 # 运行环境

- windows 10 22H2 19045.2846

- wsl2 ubuntu 22.04

# 卸载旧版本（首次安装可以忽略）

``` sh

sudo apt-get remove docker docker-engine docker.io containerd runc

```

# 配置 docker 源，添加官方 GPG 密钥（仅首次安装时配置）

``` sh

sudo apt-get update

sudo apt-get install \

    ca-certificates \

    curl \

    gnupg

sudo install -m 0755 -d /etc/apt/keyrings

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

sudo chmod a+r /etc/apt/keyrings/docker.gpg

echo \

  "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \

  "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \

  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

sudo apt-get update

```

# 安装 docker engine

``` sh

sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

```

# 非 root 用户管理 docker（可选）

``` sh

sudo usermod -aG docker $USER

newgrp docker

```

# 参考资料

- https://docs.docker.com/engine/install/ubuntu/

- https://docs.docker.com/engine/install/linux-postinstall/