在 Alibaba Cloud Linux 3 上安装 Docker 可以使用阿里云 ECS 专用脚本(针对 Alibaba Cloud Linux 优化):
bash
# 1. 添加 Docker 稳定版仓库
sudo tee /etc/yum.repos.d/docker.repo <<-'EOF'
[docker-ce-stable]
name=Docker CE Stable - $basearch
baseurl=https://mirrors.aliyun.com/docker-ce/linux/centos/8/$basearch/stable
enabled=1
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/docker-ce/linux/centos/gpg
EOF
# 2. 安装 Docker
sudo yum install -y docker-ce docker-ce-cli containerd.io
# 3. 启动 Docker
sudo systemctl start docker
sudo systemctl enable docker
# 4. 配置阿里云镜像加速器
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://docker.mirrors.ustc.edu.cn", "https://hub-mirror.c.163.com"]
}
EOF
# 5. 重启 Docker
sudo systemctl daemon-reload
sudo systemctl restart docker
# 6. 验证
docker --version
docker run hello-world
安装 Docker Compose 插件
bash
# 1. 安装 docker-compose-plugin
sudo yum install -y docker-compose-plugin
# 2. 验证安装(注意:命令是 docker compose,没有横线)
docker compose version
# 3. 创建别名(方便使用 docker-compose 命令)
echo 'alias docker-compose="docker compose"' >> ~/.bashrc
source ~/.bashrc
# 4. 验证别名
docker-compose version