sinatra

Okay it's a simple task. After I render html to the client I want to execute a db call with information from the request. I am using sinatra because it's a lightweight microframework, but really i up for anything in ruby, if it's faster/easier(Rack?). I just want to get the url and redirect the client somewhere else based on the url. So how does one go about with rack/sinatra a real after_filter. And by after_filter I mean after response is sent to the client. Or is that just not dooable without threads? I forked sinatra and added after filters, but there is no way to flush the response, even

I am trying to connect my Sinatra app to PostgreSQL database with this tutorial: http://samuelstern.wordpress.com/2012/11/28/making-a-simple-database-driven-website-with-sinatra-and-heroku/ . Everything goes fine until I try to execute: rake:db migrate then I get this error: rake aborted! PG::ConnectionBad: fe_sendauth: no password supplied It seems like I should change my permissions in pg_hba.conf file, but, opening it, I see nothing. And, if I try to write something into it, it says it's " readonly ". Am I on the right way of getting rid of the error and where to go next? edit: actually, if

I'm trying to use a Sinatra app as middleware in my Rails app. I've tested a basic Sinatra app in the /lib folder of the Rails app, use d the middleware and set a route. That worked fine. What I want to be able to do is extract the Sinatra app and include it as a gem. That way I can run the Sinatra app independently, or use it in multiple Rails apps. Sinatra App # myrackapp/lib/myrackapp.rb module Myrackapp class Application < Sinatra::Base set :root, File.dirname(__FILE__) get "/" do "Rack Home" end get '/rackroute' do "Hello, Rack Page" end end end Myrackapp also has a gemspec – nothing