Rails middleware for health check endpoint

gistfile1.txt

class HealthCheckResponder

  def initialize(app, options = {})
    @app = app
  end

  def call(env)
    if env["REQUEST_PATH"] == "/health_check"
      return [200, {}, [""]]
    else
      @app.call(env)
    end
  end

end

config.middleware.insert_before "Rails::Rack::Logger", "HealthCheckResponder"