Docker安装部署
卸载旧版本
较旧的 Docker 版本称为 docker 或 docker-engine 。如果已安装这些程序,请卸载它们以及相关的依赖项。如果第一次安装Docker,可以直接省略这一步骤。
yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
安装 Docker Engine-Community
Ubuntu
sudo apt-get remove docker docker-engine docker.io containerd runc
sudo apt-get update
sudo apt-get install \
apt-transport-https \
ca-certificates \
curl \
gnupg-agent \
software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository \
"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) \
stable"
sudo apt-get update
sudo apt-get upgrade -y
sudo apt-get install docker-ce docker-ce-cli containerd.io -y
CentOS
安装所需软件
安装所需的软件包。yum-utils 提供了 yum-config-manager ,并且 device mapper 存储驱动程序需要 device-mapper-persistent-data 和 lvm2。
yum install -y yum-utils \
device-mapper-persistent-data lvm2
设置仓库
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
安装Docker
yum install docker-ce docker-ce-cli containerd.io
# 启动docker
systemctl start docker
通过运行 hello-world 映像来验证是否正确安装docker
docker run hello-world
配置registry-mirrors,提升镜像拉取速度
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://xxxxxxxxxxxxxx"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker
docker开启远程连接
vim /lib/systemd/system/docker.service
# 修改以ExecStart开头的行,修改后保存文件
ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock
systemctl daemon-reload
# 重启docker服务
systemctl restart docker
安装docker-compose
sudo curl -L https://get.daocloud.io/docker/compose/releases/download/1.21.2/docker-compose-$(uname -s)-$(uname -m) -o /usr/local/bin/docker-compose
# 增加可执行权限
chmod +x /usr/local/bin/docker-compose
# 设置软连接
ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
# 查看版本
docker-compose --version