Centos7 安装docker 和docker-compose

## docker阿里云源

curl -o /etc/yum.repos.d/docker-ce.repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

### Install required packages for docker.

yum install -y device-mapper-persistent-data lvm2
yum install -y docker-ce-19.03.8

## Create /etc/docker directory.

mkdir /etc/docker

# Setup daemon.

cat > /etc/docker/daemon.json <<EOF
{
  "registry-mirrors": ["https://lqetgo1f.mirror.aliyuncs.com","https://docker.mirrors.ustc.edu.cn/"]
}
EOF

mkdir -p /etc/systemd/system/docker.service.d

# Restart Docker

systemctl daemon-reload
systemctl restart docker
systemctl enable docker

## 安装docker-compose

sudo curl -L "https://github.com/docker/compose/releases/download/1.29.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/bin/docker-compose
sudo chmod +x /usr/bin/docker-compose
docker-compose --version