ubuntu20.04部署docker

root环境下进行

卸载docker

# 删除docker及安装时自动安装的所有包
apt-get autoremove docker docker-ce docker-engine  docker.io  containerd runc
# 查看docker是否卸载干净
dpkg -l | grep docker
# 删除相关的配置文件及插件
dpkg -l |grep ^rc|awk '{print $2}' |sudo xargs dpkg -P
apt-get autoremove docker-ce-*
rm -rf /etc/systemd/system/docker.service.d
rm -rf /var/lib/docker
# 检查是否卸载完毕
docker --version

配置docker环境

1.更新软件包

apt update 
apt upgrade

?2.安装依赖包

apt-get install ca-certificates curl gnupg lsb-release

3.添加GPG密钥

curl -fsSL http://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo apt-key add -

?4.添加docker软件源

add-apt-repository "deb [arch=amd64] http://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable"

安装docker

1.

apt-get install docker-ce docker-ce-cli containerd.io

2.

usermod -aG docker $USER

3

systemctl start docker

4.

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

5.

service docker restart

验证是否安装成功以及相关配置

docker run hello-world

查看下载的镜像

docker images

查看版本

docker version

换源

vi?/etc/docker/daemon.json
#写入以下内容

{
    "registry-mirrors": [
        "https://registry.docker-cn.com",
        "http://hub-mirror.c.163.com",
        "https://docker.mirrors.ustc.edu.cn",
        "https://kfwkfulq.mirror.aliyuncs.com"
    ]
}

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#重启docker

systemctl daemon-reload
systemctl restart docker

安装docker-compose

curl -L https://github.com/docker/compose/releases/download/v2.21.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose

chmod +x /usr/local/bin/docker-compose

docker compose version