①加载docker-composer
sudo curl -L "
https://github.com/docker/compose/releases/download/1.22.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
步骤①失败,尝试更新curl
②更新curl:
yum update -y nss curl libcurl
③添加权限
sudo chmod +x /usr/local/bin/docker-compose
④查看版本
docker-compose --version