==== Docker Hub ====
Sign up for a free account:
https://hub.docker.com/

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====Registering Your Machine ====
== Method 1==
Command:
<sxh bash>
[root@docker ~]# docker login
Username: username
Password: 
Email: user@example.co.uk
WARNING: login credentials saved in /root/.docker/config.json
Login Succeeded
</sxh>
\\
==Method 2 ==
<sxh bash>
docker login --username=username --password=1234567 --email=mary@docker.com
</sxh>

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==== Committing a container (PUSH) ====
source: https://docs.docker.com/reference/commandline/commit/
\\
First you will need to commit a container, then you can push it to the repository
<sxh bash>
docker commit containerID luke/containername:tag
</sxh>

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=== Tagging Image Before Pushing ====
If you forgot to tage the container before you committed you can do it now
<sxh bash>
docker images
</sxh>
<sxh bash>
docker tag ImageID luke/test:tag
</sxh>
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==== Pushing an Image ====
<sxh bash>
docker push luke/test
</sxh>