A Dynamic Reverse Proxy for Rack

Installation

Add this line to your application's Gemfile:

gem 'rack-dynamic-reverse-proxy'

And then execute:

$ bundle

Or install it yourself as:

$ gem install rack-dynamic-reverse-proxy

Usage

require "rack-dynamic-reverse-proxy"

use Rack::DynamicReverseProxy do
  reverse_proxy_options preserve_host: true

  reverse_proxy_rule do |env|
    if /test/.match env.fullpath
      'http://example.com/'
    end
  end
end

app = proc do |env|
  [
    200,
    { 'Content-Type' => 'text/html' },
    ['<html><body>test</body></html>']
  ]
end
run app

Contributing

Fork it ( https://github.com/k-shogo/rack-dynamic-reverse-proxy/fork )
Create your feature branch (git checkout -b my-new-feature)
Commit your changes (git commit -am 'Add some feature')
Push to the branch (git push origin my-new-feature)
Create a new Pull Request