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:
Copyright (c) 2012 Issei Naruta