I couldn’t find a repo to submit changes to your docs, so I thought I’d mention here:
https://fly.io/docs/getting-started/ruby - The link to the example application is incorrect.
Scaling and Autoscaling · Fly - flyctl scale vm
appears now to be fly scale show
I’ll piggyback on this thread with another minor docs issue:
On this page there is a command, flyctl open /to/fred
, which is incorrect – it returns a 404. The actual command that works with the example app is flyctl open /fred
.
Great walkthrough docs!
On the following page Fly Postgres · Fly Docs, there are some grammatical mistakes on the right-hand side section selector:

