docker create mirror

1. creating a mirrored container directly　

　docker commit [OPTIONS] packaging containers need name image name  

　　　　docker commit -a'Cui' -m 'Nginx'　web 1293734593/Nginx 

2. Create a mirror with Dockerfile

　　　　docker build [OPTIONS] PATH | URL

　　　　docker build -t = 'image name' Dockerfile command path

　　　　Dockerfile file cases: