testing_subdomains_locally.md

From: https://reinteractive.net/posts/199-developing-and-testing-rails-applications-with-subdomains and http://www.daveoncode.com/2016/01/29/testing-flask-subdomain-routing-locally/

The lvh.me domain has specifically been set up to resolve itself and all subdomains to 127.0.0.1

So you can test subdomains by going to e.g. sub.lvh.me. Note you have to set the SERVER_NAME config to e.g. lvh.me:5000