docker安装并运行ngnix

　　拉取nginx最新版本的镜像：

[mall@VM_0_7_centos ~]$ sudo docker pull nginx:latest
[sudo] password for mall: 
latest: Pulling from library/nginx
8d691f585fa8: Pull complete 
5b07f4e08ad0: Pull complete 
abc291867bca: Pull complete 
Digest: sha256:922c815aa4df050d4df476e92daed4231f466acc8ee90e0e774951b0fd7195a4
Status: Downloaded newer image for nginx:latest
docker.io/library/nginx:latest

　　运行容器中的nginx，获取到配置文件：

[mall@VM_0_7_centos ~]$ sudo docker run -p 80:80 --name nginx \
>    -v /mydata/nginx/html:/usr/share/nginx/html \
>    -v /mydata/nginx/logs:/var/log/nginx \
>    -d nginx:latest
fce640ef2b672b443a3db97455ffb6f7ba6cf2549a53178a41ea4e4b0dee9a2c

　　复制容器中文件到本地：

[mall@VM_0_7_centos ~]$ sudo docker container cp ngix:/etc/nginx /mydata/nginx/

　　修改/mydata/nginx/nginx为/mydata/nginx/conf

[mall@VM_0_7_centos ~]$ sudo mv /mydata/nginx/nginx /mydata/nginx/conf

　　停止并删除容器：

[mall@VM_0_7_centos ~]$ sudo docker stop nginx
nginx
[mall@VM_0_7_centos ~]$ sudo docker rm nginx
nginx

　　重新运行：

[mall@VM_0_7_centos ~]$ sudo docker run -p 80:80 --name nginx \
> -v /mydata/nginx/html:/usr/share/nginx/html \
> -v /mydata/nginx/logs:/var/log/nginx  \
> -v /mydata/nginx/conf:/etc/nginx \
> -d nginx:latest
5683297894a25376143c44b6fee4e5d5eba4cafb1518df413e9447c94adf0b9a