Custom Puma executable for a Ruby app

Sometimes I don’t like having to create required files and directories. This executable can serve your app via puma without having to create config.ru and stuff.

Example bin/serve file (the Web.freeze.app is a Roda app):

#!/usr/bin/env ruby

$LOAD_PATH.unshift File.dirname(__dir__) + '/lib'

require 'rubygems'
require 'bundler/setup'

require 'web'
require 'puma'
require 'puma/launcher'

config = Puma::Configuration.new({}) do |c|
  c.app     Web.freeze.app
  c.port    3000
  c.threads 0, 5
end

config.load

Puma::Launcher.new(config).run

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Code snippets in this post are covered by MIT License.

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