discourse-setup
discourse-setup script does, more-or-less, is just copy samples/standalone.yml to containers/app.yml and edit a bunch of stuff in response to the answers to a bunch of questions
$cp samples/standalone.yml containers/app.yml
Discourse app.yml AWS setup example
how-to-specify-a-different-port-not-80-during-install
fix these settings after bootstrapping, edit the /containers/app.yml then rebuild to take effect
./launcher rebuild app