下载nginx镜像
从网易云镜像中心下载https://c.163yun.com/hub#/library/repository/info?repoId=2967
docker pull hub.c.163.com/library/nginx:latest
查看nginxjingxiang
docker images
给nginx分配端口，并运行
容器中nginx默认占用80，我们把容器的80端口映射到本机18080端口
docker run -d -p 18080:80 --name nginx hub.c.163.com/library/nginx
