I believe docker offers massive advantages over the typical vagrant / homestead workflow.
Both in development, testing, staging and production. All environments are the same with docker, you are always in production.
Read up on how easy it is to scale horizontally with docker-compose on my article:
medium urls are so not compatible with the forum.. they always break. Specifically because of the silly inclusion of the @ symbol in the url. I'd recommend using a url shortener if/when posting links to medium articles.
Here is a shortened version of the article linked above: http://is.gd/sE94Jd