1. 更新源

sudo apt update

2. 安装一些用于 HTTPS 的软件包

sudo apt install apt-transport-https ca-certificates curl software-properties-common -y

3. 设置 Docker 源

Docker 官方

# 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
# 设置 Docker 官方源
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

阿里云

# 添加阿里云 GPG 密钥
curl -fsSL https://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
# 设置阿里云源
echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://mirrors.aliyun.com/docker-ce/linux/ubuntu  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

4. 更新源

sudo apt update

5. 安装 Docker 与 Docker Compose

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

6. 启动 Docker

sudo systemctl start docker

7. 设置 Docker 开机自动启动

sudo systemctl enable docker.service

8. 验证 Docker 是否安装成功

docker --version

9. 添加用户到 Docker 组

# 需要重新登录使组更改生效
sudo usermod -aG docker $USER