安装docker

curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun

可能遇到的问题

如果提示公钥为安装
warning: /var/cache/yum/x86_64/7/docker-ce-stable/packages/docker-ce-19.03.2-3.el7.x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID 621e9f35: NOKEYPublic key for docker-ce-19.03.2-3.el7.x86_64.rpm is not installed

wget https://get.docker.com/gpg
rpmkeys --import ./gpg 

Delta RPMs disabled because /usr/bin/applydeltarpm not installed.

yum provides '*/applydeltarpm'
yum install deltarpm -y

No Presto metadata available for docker-ce-stable

yum install docker-ce -y

设置开机启动docker

systemctl start docker #启动docker

systemctl enable docker

配置阿里云镜像 - 非常重要

测试镜像

sudo docker run hello-world

安装Docker-Compose

curl -L https://get.daocloud.io/docker/compose/releases/download/1.25.0/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose

# 加上可执行权限
sudo chmod +x /usr/local/bin/docker-compose

查看版本

docker-compose -v