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root@docker-lab:~# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
jlk0013/demo-example latest c30178c5239f 4 days ago 1.11MB
busybox latest c30178c5239f 4 days ago 1.11MB
Push ( + login )
https://docs.docker.com/engine/reference/commandline/login/
docker login
root@docker-lab:~# docker login https://hub.docker.com/r/jlk0013/demo-example/
Username: jlk0013
Password:
Login Succeeded
https://docs.docker.com/engine/reference/commandline/push/
...