require 'rack' require 'rack/server' require 'puma_worker_killer' PumaWorkerKiller.config do |config| config.ram = Integer(ENV['PUMA_RAM']) if ENV['PUMA_RAM'] config.frequency = Integer(ENV['PUMA_FREQUENCY']) if ENV['PUMA_FREQUENCY'] end PumaWorkerKiller.start class HelloWorld def response [200, {}, ['Hello World']] end end class HelloWorldApp def self.call(env) HelloWorld.new.response end end run HelloWorldApp