Setting up Continuous Integration (CI) for docker containers

This blog post goes through the process of setting up Continuous Integration for building docker images via Dockerhub and Github, and via Github Actions. It also contains a condensed summary of important notes from the documentation that will be handy as ready reference. Goal: Gain an overview of using Continuous Integration (CI) for automated builds of the docker images that built for a data science toolbox based on R (for now).