Blog Code: Running Rails Inside Vagrant

boot.rb

ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)

require 'bundler/setup' # Set up gems listed in the Gemfile.

# THIS IS THE NEW CODE
if ENV["RAILS_ENV"] == "development" || ENV["RAILS_ENV"].nil?
  require "rails/commands/server"

  module Rails
    class Server
      alias_method :original_default_options, :default_options

      def default_options
        original_default_options.merge(Host: "0.0.0.0")
      end
    end
  end
end

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

VAGRANT_IP = '192.168.211.39'

Vagrant.configure("2") do |config|
  config.vm.box      = ...
  config.vm.box_url  = ...
  config.vm.network :private_network, ip: VAGRANT_IP
  ...
  ...
end