App.yml not showing content

[omarfilip]

Scroll down, that’s only the first page.

Ctrl+V

https://www.nano-editor.org/dist/latest/cheatsheet.html

Also see this about the file being unwritable:

File 'containers/app.yml' is unwritable

I am following this guide to install discourse on AWS EC2 instance. Completed all the steps except Elasticache (not using separate Redis). After finishing the discourse setup, I need to edit my app.yml for change in RDS and SMTP settings. But it’s showing that File ‘containers/app.yml’ is unwritable. Has anyone faced this issue? How to resolve this?