What's Rack::Health

Rack::Health is a health check interface for rack applications.

Usage

Install

# Gemfile
gem 'rack-health'

Basic

# config.ru
use Rack::Health

$ curl localhost:3000/rack_health
=> 200 OK

Customize url

use Rack::Health, :path => '/healthcheck'

$ curl localhost:3000/healthcheck
=> 200 OK

Customize sick condition

use Rack::Health, :sick_if => lambda { File.exist?('/tmp/service_out') }

$ curl localhost:3000/rack_health
=> 200 OK

$ touch /tmp/service_out

$ curl localhost:3000/rack_health
=> 503 Service Unavailable

License

Rack::Health is released under the MIT license:

• www.opensource.org/licenses/MIT

Copyright (c) 2012 Issei Naruta