I’m trying to write a Sinatra app that will run on a shared Passenger server. For now, I’d be happy just getting a “hello world”, but something isn’t working quite right. I have:
config.ru
require 'vendor/sinatra-lib/sinatra.rb'
set :environment, :production
disable :run
require 'myapp.rb'
run Sinatra::Application
myapp.rb
get '/' do
"Hello world!"
end
and of course all the support libs I need for sinatra are under /vendor/sinatra-lib. I can rackup this exact load on my local machine, and it runs like a champ. However, on the remote machine, I get 0-byte responses for any URL I try to visit. Note that I have a /public directory, and I can view pages out of that successfully, so I guess Rack is still responding. Also, I can run a basic Rack app without any problems, so Rack must be configured correctly (at least, correctly for running Rack apps).
At this point, the only thing I can think of is to check the version of Rack, etc, on the remote server. I don’t have full control over the box, so I don’t really have log output to share. I can try to chase it down, if it’s important, but I’m hoping something will jump out at somebody.
Thank you all for playing, turned out to be a dependency issue — the server I was deployed to was running a version of Rack that was too old to support Sinatra. Lots of good other stuff to think about, though.