Docker Container and Vagrant / Virtualbox 101s

Tony Hirst, OUseful Info, Aug 09, 2018
Commentary by Stephen Downes

This is a very useful article if you're just getting started with virtualization. Tony Hirst starts with a very simple example, specifically, a Python application called Flask, which is in essence a very simple web server. He then provides a Dockerfile which describes the server environment Flask needs to run. Simple. Stepping it up a notch, he then demonstrates how to set up an API server where the API is defined in a Jupyter notebook and published using the Jupyter Kernel Gateway to again run on Docker. Oy, not so simple (and doesn't seem to work on Zeit). Finally, he shows how to run the Flask demo using another virtualization application, Vagrant, which (it's worth noting) is a lot more complicated. In any case, these can then be run on cloud provisioners - Digital Ocean seems to be the flavour of the month.

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