require 'sinatra'
set :port, 8090
set :bind, '0.0.0.0'
get '/' do
"Hello world"
end
== Sinatra (v2.0.0) has taken the stage on 8090 for development with backup from Puma
Puma starting in single mode...
* Version 3.9.1 (ruby 2.3.4-p301), codename: Private Caller
* Min threads: 0, max threads: 16
* Environment: development
* Listening on tcp://0.0.0.0:8090
Use Ctrl-C to stop