EC2 AMI to docker image

I am running image-analysis software on an EC2 instance (ubuntu 14.04). Now, I am getting access to a university cluster (redhat linux v 6.5) with better (and cheaper) specifications. I am not allowed root-services for installation and they recommend using Docker. Now, the problem: I have no experience using docker whatsoever.

Is it possible to create an image of my EC2 instance and export/convert it to Docker for use on the university cluster?. If so – is there a tutorial for this somewhere (I haven’t found any so far). Is it possible to save the image to Dropbox as an intermediary?

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