Method: Rack::Builder#warmup

Defined in:: lib/rack/builder.rb

#warmup(prc = nil, &block) ⇒ `Object`

Takes a lambda or block that is used to warm-up the application. This block is called before the Rack application is returned by to_app.

warmup do |app|
  client = Rack::MockRequest.new(app)
  client.get('/')
end

use SomeMiddleware
run MyApp



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# File 'lib/rack/builder.rb', line 209

def warmup(prc = nil, &block)
  @warmup = prc || block
end