Learn how to deploy a brand new Wagtail site to a free Heroku instance.
In an effort to not duplicate too much written content, you'll have to read all the tutorial steps in the GitHub README file. It's almost in point form, so it's nice and quick. And it's based off of Kyle Rutten's 2017 blog post on Wagtail.io/blog
This video has it's own repo, so at any point you can check out the source code.