Packaging and copying of Docker image container
1. Image file packaging
docker save -o /root/tomcat8.tar mytomcat Specify the location and format of the packaged image file name
2. Copy the packaged image file
scp tomcat8.tar 192.168.109.130:/root
3. Import the image
docker load -i /root/tomcat8.tar
4. Packaging of the container
docker exeport -o /root/t1.tar t1
5. Import the container
docker import t1.tar mytomcat:lastest